Imported from util-linux-2.10m tarball.

1 files changed, 818 insertions, 788 deletions

diff --git a/misc-utils/setterm.c b/misc-utils/setterm.c
index 36d3be190..92161d01c 100644
--- a/misc-utils/setterm.c
+++ b/misc-utils/setterm.c
@@ -90,8 +90,8 @@
  *   -store stores the terminal's current rendering options as the default
  *      values.  */
 
-#include <stdlib.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <errno.h>
 #include <ctype.h>
 #include <unistd.h>
@@ -193,892 +193,921 @@ int opt_ps_mode, opt_pd_min;	/* powersave mode/powerdown time */
 
 char opt_sn_name[200] = "screen.dump";
 
-void screendump(int vcnum, FILE *F);
+static void screendump(int vcnum, FILE *F);
 
 /* Command line parsing routines.
  *
  * Note that it is an error for a given option to be invoked more than once.
  */
 
-void parse_term(argc, argv, option, opt_term, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Term flag to set. */
-char **opt_term;		/* Terminal name to set. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_term(int argc, char **argv, int *option, char **opt_term, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Term flag to set. */
+	/* opt_term: Terminal name to set. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -term specification. */
 
-  if (argc != 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	*opt_term = argv[0];
-  }
+	if (argc != 1 || *option)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	if (argc == 1)
+		*opt_term = argv[0];
 }
 
-void parse_none(argc, argv, option, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Option flag to set. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_none(int argc, char **argv, int *option, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Term flag to set. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a parameterless specification. */
 
-  if (argc != 0 || *option) *bad_arg = TRUE;
-  *option = TRUE;
+	if (argc != 0 || *option)
+		*bad_arg = TRUE;
+	*option = TRUE;
 }
 
-void parse_switch(argc, argv, option, opt_on, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Option flag to set. */
-int *opt_on;			/* Boolean option switch to set or reset. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_switch(int argc, char **argv, int *option, int *opt_on, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Option flag to set. */
+	/* opt_on: Boolean option switch to set or reset. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a boolean (on/off) specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	if (strcmp(argv[0], "on") == 0)
-		*opt_on = TRUE;
-	else if (strcmp(argv[0], "off") == 0)
-		*opt_on = FALSE;
-	else
+	if (argc > 1 || *option)
 		*bad_arg = TRUE;
-  } else {
-	*opt_on = TRUE;
-  }
+	*option = TRUE;
+	if (argc == 1) {
+		if (strcmp(argv[0], "on") == 0)
+			*opt_on = TRUE;
+		else if (strcmp(argv[0], "off") == 0)
+			*opt_on = FALSE;
+		else
+			*bad_arg = TRUE;
+	} else {
+		*opt_on = TRUE;
+	}
 }
 
-void par_color(argc, argv, option, opt_color, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Color flag to set. */
-int *opt_color;			/* Color to set. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+par_color(int argc, char **argv, int *option, int *opt_color, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Color flag to set. */
+	/* opt_color: Color to set. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -foreground or -background specification. */
 
-  if (argc != 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-    if (strcmp(argv[0], "black") == 0)
-      *opt_color = BLACK;
-    else if (strcmp(argv[0], "red") == 0)
-      *opt_color = RED;
-    else if (strcmp(argv[0], "green") == 0)
-      *opt_color = GREEN;
-    else if (strcmp(argv[0], "yellow") == 0)
-      *opt_color = YELLOW;
-    else if (strcmp(argv[0], "blue") == 0)
-      *opt_color = BLUE;
-    else if (strcmp(argv[0], "magenta") == 0)
-      *opt_color = MAGENTA;
-    else if (strcmp(argv[0], "cyan") == 0)
-      *opt_color = CYAN;
-    else if (strcmp(argv[0], "white") == 0)
-      *opt_color = WHITE;
-    else if (strcmp(argv[0], "default") == 0)
-      *opt_color = DEFAULT;
-    else if (isdigit(argv[0][0]))
-      *opt_color = atoi(argv[0]);
-    else    
-      *bad_arg = TRUE;
+	if (argc != 1 || *option)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	if (argc == 1) {
+		if (strcmp(argv[0], "black") == 0)
+			*opt_color = BLACK;
+		else if (strcmp(argv[0], "red") == 0)
+			*opt_color = RED;
+		else if (strcmp(argv[0], "green") == 0)
+			*opt_color = GREEN;
+		else if (strcmp(argv[0], "yellow") == 0)
+			*opt_color = YELLOW;
+		else if (strcmp(argv[0], "blue") == 0)
+			*opt_color = BLUE;
+		else if (strcmp(argv[0], "magenta") == 0)
+			*opt_color = MAGENTA;
+		else if (strcmp(argv[0], "cyan") == 0)
+			*opt_color = CYAN;
+		else if (strcmp(argv[0], "white") == 0)
+			*opt_color = WHITE;
+		else if (strcmp(argv[0], "default") == 0)
+			*opt_color = DEFAULT;
+		else if (isdigit(argv[0][0]))
+			*opt_color = atoi(argv[0]);
+		else    
+			*bad_arg = TRUE;
     
-    if(*opt_color < 0 || *opt_color > 7)
-      *bad_arg = TRUE;
-  }
+		if(*opt_color < 0 || *opt_color > 7)
+			*bad_arg = TRUE;
+	}
 }
 
-void par_color2(argc, argv, option, opt_color, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Color flag to set. */
-int *opt_color;			/* Color to set. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+par_color2(int argc, char **argv, int *option, int *opt_color, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Color flag to set. */
+	/* opt_color: Color to set. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -ulcolor or -hbcolor specification. */
 
-  if (!argc || argc > 2 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  *opt_color = 0;
-  if (argc == 2) {
-	if (strcmp(argv[0], "bright") == 0)
-		*opt_color = 8;
-	else {
+	if (!argc || argc > 2 || *option)
 		*bad_arg = TRUE;
-		return;
+	*option = TRUE;
+	*opt_color = 0;
+	if (argc == 2) {
+		if (strcmp(argv[0], "bright") == 0)
+			*opt_color = 8;
+		else {
+			*bad_arg = TRUE;
+			return;
+		}
 	}
-  }
-  if (argc) {
-	if (strcmp(argv[argc-1], "black") == 0) {
-		if(*opt_color)
+	if (argc) {
+		if (strcmp(argv[argc-1], "black") == 0) {
+			if(*opt_color)
+				*bad_arg = TRUE;
+			else
+				*opt_color = BLACK;
+		} else if (strcmp(argv[argc-1], "grey") == 0) {
+			if(*opt_color)
+				*bad_arg = TRUE;
+			else
+				*opt_color = GREY;
+		} else if (strcmp(argv[argc-1], "red") == 0)
+			*opt_color |= RED;
+		else if (strcmp(argv[argc-1], "green") == 0)
+			*opt_color |= GREEN;
+		else if (strcmp(argv[argc-1], "yellow") == 0)
+			*opt_color |= YELLOW;
+		else if (strcmp(argv[argc-1], "blue") == 0)
+			*opt_color |= BLUE;
+		else if (strcmp(argv[argc-1], "magenta") == 0)
+			*opt_color |= MAGENTA;
+		else if (strcmp(argv[argc-1], "cyan") == 0)
+			*opt_color |= CYAN;
+		else if (strcmp(argv[argc-1], "white") == 0)
+			*opt_color |= WHITE;
+		else if (isdigit(argv[argc-1][0]))
+			*opt_color = atoi(argv[argc-1]);
+		else    
 			*bad_arg = TRUE;
-		else
-			*opt_color = BLACK;
-	} else if (strcmp(argv[argc-1], "grey") == 0) {
-		if(*opt_color)
+		if(*opt_color < 0 || *opt_color > 15)
 			*bad_arg = TRUE;
-		else
-			*opt_color = GREY;
-	} else if (strcmp(argv[argc-1], "red") == 0)
-		*opt_color |= RED;
-	else if (strcmp(argv[argc-1], "green") == 0)
-		*opt_color |= GREEN;
-	else if (strcmp(argv[argc-1], "yellow") == 0)
-		*opt_color |= YELLOW;
-	else if (strcmp(argv[argc-1], "blue") == 0)
-		*opt_color |= BLUE;
-	else if (strcmp(argv[argc-1], "magenta") == 0)
-		*opt_color |= MAGENTA;
-	else if (strcmp(argv[argc-1], "cyan") == 0)
-		*opt_color |= CYAN;
-	else if (strcmp(argv[argc-1], "white") == 0)
-		*opt_color |= WHITE;
-	else if (isdigit(argv[argc-1][0]))
-	    *opt_color = atoi(argv[argc-1]);
-	else    
-		*bad_arg = TRUE;
-        if(*opt_color < 0 || *opt_color > 15)
-	    *bad_arg = TRUE;
-  }
+	}
 }
 
-void parse_clear(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			/* Clear all switch to set or reset. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_clear(int argc, char **argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all: Clear all switch to set or reset. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -clear specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	if (strcmp(argv[0], "all") == 0)
-		*opt_all = TRUE;
-	else if (strcmp(argv[0], "rest") == 0)
-		*opt_all = FALSE;
-	else
+	if (argc > 1 || *option)
 		*bad_arg = TRUE;
-  } else {
-	*opt_all = TRUE;
-  }
+	*option = TRUE;
+	if (argc == 1) {
+		if (strcmp(argv[0], "all") == 0)
+			*opt_all = TRUE;
+		else if (strcmp(argv[0], "rest") == 0)
+			*opt_all = FALSE;
+		else
+			*bad_arg = TRUE;
+	} else {
+		*opt_all = TRUE;
+	}
 }
 
-void parse_blank(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			/* Clear all switch to set or reset. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_blank(int argc, char **argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all: Clear all switch to set or reset. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -blank specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	*opt_all = atoi(argv[0]);
-	if ((*opt_all > 60) || (*opt_all < 0))
+	if (argc > 1 || *option)
 		*bad_arg = TRUE;
-  } else {
-	*opt_all = 0;
-  }
+	*option = TRUE;
+	if (argc == 1) {
+		*opt_all = atoi(argv[0]);
+		if ((*opt_all > 60) || (*opt_all < 0))
+			*bad_arg = TRUE;
+	} else {
+		*opt_all = 0;
+	}
 }
 
-void parse_powersave(argc, argv, option, opt_mode, bad_arg)
-int argc;                      /* Number of arguments for this option. */
-char *argv[];                  /* Arguments for this option. */
-int *option;                   /* powersave flag to set. */
-int *opt_mode;                 /* Powersaving mode, defined in vesa_blank.c */
-int *bad_arg;                  /* Set to true if an error is detected. */
-{
+static void
+parse_powersave(int argc, char **argv, int *option, int *opt_mode, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: powersave flag to set. */
+	/* opt_mode: Powersaving mode, defined in vesa_blank.c */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -powersave mode specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	if (strcmp(argv[0], "on") == 0)
-		*opt_mode = 1;
-	else if (strcmp(argv[0], "vsync") == 0)
-		*opt_mode = 1;
-	else if (strcmp(argv[0], "hsync") == 0)
-		*opt_mode = 2;
-	else if (strcmp(argv[0], "powerdown") == 0)
-		*opt_mode = 3;
-	else if (strcmp(argv[0], "off") == 0)
-		*opt_mode = 0;
-	else
+	if (argc > 1 || *option)
 		*bad_arg = TRUE;
-  } else {
-	*opt_mode = 0;
-  }
+	*option = TRUE;
+	if (argc == 1) {
+		if (strcmp(argv[0], "on") == 0)
+			*opt_mode = 1;
+		else if (strcmp(argv[0], "vsync") == 0)
+			*opt_mode = 1;
+		else if (strcmp(argv[0], "hsync") == 0)
+			*opt_mode = 2;
+		else if (strcmp(argv[0], "powerdown") == 0)
+			*opt_mode = 3;
+		else if (strcmp(argv[0], "off") == 0)
+			*opt_mode = 0;
+		else
+			*bad_arg = TRUE;
+	} else {
+		*opt_mode = 0;
+	}
 }
 
 #if 0
-void parse_standout(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			/* Clear all switch to set or reset. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_standout(int argc, char *argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all: Clear all switch to set or reset. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -standout specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	*opt_all = atoi(argv[0]);
-  } else {
-	*opt_all = -1;
-  }
+	if (argc > 1 || *option)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	if (argc == 1)
+		*opt_all = atoi(argv[0]);
+	else
+		*opt_all = -1;
 }
 #endif
 
-void parse_msglevel(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			/* Clear all switch to set or reset. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
-
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	*opt_all = atoi(argv[0]);
-  	if (*opt_all < 0 || *opt_all > 8)
+static void
+parse_msglevel(int argc, char **argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all: Clear all switch to set or reset. */
+	/* bad_arg: Set to true if an error is detected. */
+
+	if (argc > 1 || *option)
 		*bad_arg = TRUE;
-  } else {
-	*opt_all = -1;
-  }
+	*option = TRUE;
+	if (argc == 1) {
+		*opt_all = atoi(argv[0]);
+		if (*opt_all < 0 || *opt_all > 8)
+			*bad_arg = TRUE;
+	} else {
+		*opt_all = -1;
+	}
 }
 
-void parse_snap(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			/* Clear all switch to set or reset. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_snap(int argc, char **argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all: Clear all switch to set or reset. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -dump or -append specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	*opt_all = atoi(argv[0]);
-	if ((*opt_all <= 0))
+	if (argc > 1 || *option)
 		*bad_arg = TRUE;
-  } else {
-	*opt_all = 0;
-  }
+	*option = TRUE;
+	if (argc == 1) {
+		*opt_all = atoi(argv[0]);
+		if ((*opt_all <= 0))
+			*bad_arg = TRUE;
+	} else {
+		*opt_all = 0;
+	}
 }
 
-void parse_snapfile(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			/* Clear all switch to set or reset. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_snapfile(int argc, char **argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all: Clear all switch to set or reset. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a -file specification. */
 
-  if (argc != 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	  strcpy((char *)opt_all, argv[0]);
-  }
+	if (argc != 1 || *option)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	if (argc == 1)
+		strcpy((char *)opt_all, argv[0]);
 }
 
-void parse_tabs(argc, argv, option, tab_array, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *tab_array;			/* Array of tabs */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
-  if (*option || argc > 160) *bad_arg = TRUE;
-  *option = TRUE;
-  tab_array[argc] = -1;
-  while(argc--) {
-    tab_array[argc] = atoi(argv[argc]);
-    if(tab_array[argc] < 1 || tab_array[argc] > 160) {
-      *bad_arg = TRUE;
-      return;
-    }
-  }
+static void
+parse_tabs(int argc, char **argv, int *option, int *tab_array, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* tab_array: Array of tabs */
+	/* bad_arg: Set to true if an error is detected. */
+
+	if (*option || argc > 160)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	tab_array[argc] = -1;
+	while(argc--) {
+		tab_array[argc] = atoi(argv[argc]);
+		if(tab_array[argc] < 1 || tab_array[argc] > 160) {
+			*bad_arg = TRUE;
+			return;
+		}
+	}
 }
 
-void parse_clrtabs(argc, argv, option, tab_array, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *tab_array;			/* Array of tabs */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
-  if (*option || argc > 160) *bad_arg = TRUE;
-  *option = TRUE;
-  if(argc == 0) {
-    tab_array[0] = -1;
-    return;
-  }
-  tab_array[argc] = -1;
-  while(argc--) {
-    tab_array[argc] = atoi(argv[argc]);
-    if(tab_array[argc] < 1 || tab_array[argc] > 160) {
-      *bad_arg = TRUE;
-      return;
-    }
-  }
+static void
+parse_clrtabs(int argc, char **argv, int *option, int *tab_array, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* tab_array: Array of tabs */
+	/* bad_arg: Set to true if an error is detected. */
+
+	if (*option || argc > 160)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	if(argc == 0) {
+		tab_array[0] = -1;
+		return;
+	}
+	tab_array[argc] = -1;
+	while(argc--) {
+		tab_array[argc] = atoi(argv[argc]);
+		if(tab_array[argc] < 1 || tab_array[argc] > 160) {
+			*bad_arg = TRUE;
+			return;
+		}
+	}
 }
 
-void parse_regtabs(argc, argv, option, opt_len, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_len;			/* Regular tab length. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
-  if (*option || argc > 1) *bad_arg = TRUE;
-  *option = TRUE;
-  if(argc == 0) {
-    *opt_len = 8;
-    return;
-  }
-  *opt_len = atoi(argv[0]);
-  if(*opt_len < 1 || *opt_len > 160) {
-    *bad_arg = TRUE;
-    return;
-  }
+static void
+parse_regtabs(int argc, char **argv, int *option, int *opt_len, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_len: Regular tab length. */
+	/* bad_arg: Set to true if an error is detected. */
+
+	if (*option || argc > 1)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	if(argc == 0) {
+		*opt_len = 8;
+		return;
+	}
+	*opt_len = atoi(argv[0]);
+	if(*opt_len < 1 || *opt_len > 160) {
+		*bad_arg = TRUE;
+		return;
+	}
 }
 
 
-void parse_blength(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_blength(int argc, char **argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse  -blength specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	*opt_all = atoi(argv[0]);
-	if (*opt_all > 2000)
+	if (argc > 1 || *option)
 		*bad_arg = TRUE;
-  } else {
-	*opt_all = 0;
-  }
+	*option = TRUE;
+	if (argc == 1) {
+		*opt_all = atoi(argv[0]);
+		if (*opt_all > 2000)
+			*bad_arg = TRUE;
+	} else {
+		*opt_all = 0;
+	}
 }
 
-void parse_bfreq(argc, argv, option, opt_all, bad_arg)
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *option;			/* Clear flag to set. */
-int *opt_all;			
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_bfreq(int argc, char **argv, int *option, int *opt_all, int *bad_arg) {
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* option: Clear flag to set. */
+	/* opt_all */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse  -bfreq specification. */
 
-  if (argc > 1 || *option) *bad_arg = TRUE;
-  *option = TRUE;
-  if (argc == 1) {
-	*opt_all = atoi(argv[0]);
-  } else {
-	*opt_all = 0;
-  }
+	if (argc > 1 || *option)
+		*bad_arg = TRUE;
+	*option = TRUE;
+	if (argc == 1) {
+		*opt_all = atoi(argv[0]);
+	} else {
+		*opt_all = 0;
+	}
 }
 
 
-void show_tabs()
-{
-  int i, co = tigetnum("cols");
-
-  if(co > 0) {
-    printf("\r         ");
-    for(i = 10; i < co-2; i+=10)
-      printf("%-10d", i);
-    putchar('\n');
-    for(i = 1; i <= co; i++)
-      putchar(i%10+'0');
-    putchar('\n');
-    for(i = 1; i < co; i++)
-      printf("\tT\b");
-    putchar('\n');
-  }
+static void
+show_tabs(void) {
+	int i, co = tigetnum("cols");
+
+	if(co > 0) {
+		printf("\r         ");
+		for(i = 10; i < co-2; i+=10)
+			printf("%-10d", i);
+		putchar('\n');
+		for(i = 1; i <= co; i++)
+			putchar(i%10+'0');
+		putchar('\n');
+		for(i = 1; i < co; i++)
+			printf("\tT\b");
+		putchar('\n');
+	}
 }
 
 
 #define STRCMP(str1,str2) strncmp(str1,str2,strlen(str1))
 
-void parse_option(option, argc, argv, bad_arg)
-char *option;			/* Option with leading '-' removed. */
-int argc;			/* Number of arguments for this option. */
-char *argv[];			/* Arguments for this option. */
-int *bad_arg;			/* Set to true if an error is detected. */
-{
+static void
+parse_option(char *option, int argc, char **argv, int *bad_arg) {
+	/* option: Option with leading '-' removed. */
+	/* argc: Number of arguments for this option. */
+	/* argv: Arguments for this option. */
+	/* bad_arg: Set to true if an error is detected. */
+
 /* Parse a single specification. */
 
-  if (STRCMP(option, "term") == 0)
-	parse_term(argc, argv, &opt_term, &opt_te_terminal_name, bad_arg);
-  else if (STRCMP(option, "reset") == 0)
-	parse_none(argc, argv, &opt_reset, bad_arg);
-  else if (STRCMP(option, "initialize") == 0)
-	parse_none(argc, argv, &opt_initialize, bad_arg);
-  else if (STRCMP(option, "cursor") == 0)
-	parse_switch(argc, argv, &opt_cursor, &opt_cu_on, bad_arg);
-  else if (STRCMP(option, "repeat") == 0)
-	parse_switch(argc, argv, &opt_repeat, &opt_rep_on, bad_arg);
-  else if (STRCMP(option, "appcursorkeys") == 0)
-	parse_switch(argc, argv, &opt_appcursorkeys, &opt_appck_on, bad_arg);
-  else if (STRCMP(option, "linewrap") == 0)
-	parse_switch(argc, argv, &opt_linewrap, &opt_li_on, bad_arg);
+	if (STRCMP(option, "term") == 0)
+		parse_term(argc, argv, &opt_term, &opt_te_terminal_name, bad_arg);
+	else if (STRCMP(option, "reset") == 0)
+		parse_none(argc, argv, &opt_reset, bad_arg);
+	else if (STRCMP(option, "initialize") == 0)
+		parse_none(argc, argv, &opt_initialize, bad_arg);
+	else if (STRCMP(option, "cursor") == 0)
+		parse_switch(argc, argv, &opt_cursor, &opt_cu_on, bad_arg);
+	else if (STRCMP(option, "repeat") == 0)
+		parse_switch(argc, argv, &opt_repeat, &opt_rep_on, bad_arg);
+	else if (STRCMP(option, "appcursorkeys") == 0)
+		parse_switch(argc, argv, &opt_appcursorkeys, &opt_appck_on, bad_arg);
+	else if (STRCMP(option, "linewrap") == 0)
+		parse_switch(argc, argv, &opt_linewrap, &opt_li_on, bad_arg);
 #if 0
-  else if (STRCMP(option, "snow") == 0)
-	parse_switch(argc, argv, &opt_snow, &opt_sn_on, bad_arg);
-  else if (STRCMP(option, "softscroll") == 0)
-	parse_switch(argc, argv, &opt_softscroll, &opt_so_on, bad_arg);
+	else if (STRCMP(option, "snow") == 0)
+		parse_switch(argc, argv, &opt_snow, &opt_sn_on, bad_arg);
+	else if (STRCMP(option, "softscroll") == 0)
+		parse_switch(argc, argv, &opt_softscroll, &opt_so_on, bad_arg);
 #endif
-  else if (STRCMP(option, "default") == 0)
-	parse_none(argc, argv, &opt_default, bad_arg);
-  else if (STRCMP(option, "foreground") == 0)
-	par_color(argc, argv, &opt_foreground, &opt_fo_color, bad_arg);
-  else if (STRCMP(option, "background") == 0)
-	par_color(argc, argv, &opt_background, &opt_ba_color, bad_arg);
-  else if (STRCMP(option, "ulcolor") == 0)
-	par_color2(argc, argv, &opt_ulcolor, &opt_ul_color, bad_arg);
-  else if (STRCMP(option, "hbcolor") == 0)
-	par_color2(argc, argv, &opt_hbcolor, &opt_hb_color, bad_arg);
-  else if (STRCMP(option, "inversescreen") == 0)
-	parse_switch(argc, argv, &opt_inversescreen, &opt_invsc_on, bad_arg);
-  else if (STRCMP(option, "bold") == 0)
-	parse_switch(argc, argv, &opt_bold, &opt_bo_on, bad_arg);
-  else if (STRCMP(option, "half-bright") == 0)
-	parse_switch(argc, argv, &opt_halfbright, &opt_hb_on, bad_arg);
-  else if (STRCMP(option, "blink") == 0)
-	parse_switch(argc, argv, &opt_blink, &opt_bl_on, bad_arg);
-  else if (STRCMP(option, "reverse") == 0)
-	parse_switch(argc, argv, &opt_reverse, &opt_re_on, bad_arg);
-  else if (STRCMP(option, "underline") == 0)
-	parse_switch(argc, argv, &opt_underline, &opt_un_on, bad_arg);
-  else if (STRCMP(option, "store") == 0)
-	parse_none(argc, argv, &opt_store, bad_arg);
-  else if (STRCMP(option, "clear") == 0)
-	parse_clear(argc, argv, &opt_clear, &opt_cl_all, bad_arg);
-  else if (STRCMP(option, "tabs") == 0)
-	parse_tabs(argc, argv, &opt_tabs, opt_tb_array, bad_arg);
-  else if (STRCMP(option, "clrtabs") == 0)
-	parse_clrtabs(argc, argv, &opt_clrtabs, opt_tb_array, bad_arg);
-  else if (STRCMP(option, "regtabs") == 0)
-	parse_regtabs(argc, argv, &opt_regtabs, &opt_rt_len, bad_arg);
-  else if (STRCMP(option, "blank") == 0)
-	parse_blank(argc, argv, &opt_blank, &opt_bl_min, bad_arg);
-  else if (STRCMP(option, "dump") == 0)
-	parse_snap(argc, argv, &opt_snap, &opt_sn_num, bad_arg);
-  else if (STRCMP(option, "append") == 0)
-	parse_snap(argc, argv, &opt_append, &opt_sn_num, bad_arg);
-  else if (STRCMP(option, "file") == 0)
-	parse_snapfile(argc, argv, &opt_snapfile, (int *)opt_sn_name, bad_arg);
-  else if (STRCMP(option, "msg") == 0)
-	parse_switch(argc, argv, &opt_msg, &opt_msg_on, bad_arg);
-  else if (STRCMP(option, "msglevel") == 0)
-	parse_msglevel(argc, argv, &opt_msglevel, &opt_msglevel_num, bad_arg);
-  else if (STRCMP(option, "powersave") == 0)
-	parse_powersave(argc, argv, &opt_powersave, &opt_ps_mode, bad_arg);
-  else if (STRCMP(option, "powerdown") == 0)
-	parse_blank(argc, argv, &opt_powerdown, &opt_pd_min, bad_arg);
-  else if (STRCMP(option, "blength") == 0)
-	parse_blength(argc, argv, &opt_blength, &opt_blength_l, bad_arg);
-  else if (STRCMP(option, "bfreq") == 0)
-   	parse_bfreq(argc, argv, &opt_bfreq, &opt_bfreq_f, bad_arg);
+	else if (STRCMP(option, "default") == 0)
+		parse_none(argc, argv, &opt_default, bad_arg);
+	else if (STRCMP(option, "foreground") == 0)
+		par_color(argc, argv, &opt_foreground, &opt_fo_color, bad_arg);
+	else if (STRCMP(option, "background") == 0)
+		par_color(argc, argv, &opt_background, &opt_ba_color, bad_arg);
+	else if (STRCMP(option, "ulcolor") == 0)
+		par_color2(argc, argv, &opt_ulcolor, &opt_ul_color, bad_arg);
+	else if (STRCMP(option, "hbcolor") == 0)
+		par_color2(argc, argv, &opt_hbcolor, &opt_hb_color, bad_arg);
+	else if (STRCMP(option, "inversescreen") == 0)
+		parse_switch(argc, argv, &opt_inversescreen, &opt_invsc_on, bad_arg);
+	else if (STRCMP(option, "bold") == 0)
+		parse_switch(argc, argv, &opt_bold, &opt_bo_on, bad_arg);
+	else if (STRCMP(option, "half-bright") == 0)
+		parse_switch(argc, argv, &opt_halfbright, &opt_hb_on, bad_arg);
+	else if (STRCMP(option, "blink") == 0)
+		parse_switch(argc, argv, &opt_blink, &opt_bl_on, bad_arg);
+	else if (STRCMP(option, "reverse") == 0)
+		parse_switch(argc, argv, &opt_reverse, &opt_re_on, bad_arg);
+	else if (STRCMP(option, "underline") == 0)
+		parse_switch(argc, argv, &opt_underline, &opt_un_on, bad_arg);
+	else if (STRCMP(option, "store") == 0)
+		parse_none(argc, argv, &opt_store, bad_arg);
+	else if (STRCMP(option, "clear") == 0)
+		parse_clear(argc, argv, &opt_clear, &opt_cl_all, bad_arg);
+	else if (STRCMP(option, "tabs") == 0)
+		parse_tabs(argc, argv, &opt_tabs, opt_tb_array, bad_arg);
+	else if (STRCMP(option, "clrtabs") == 0)
+		parse_clrtabs(argc, argv, &opt_clrtabs, opt_tb_array, bad_arg);
+	else if (STRCMP(option, "regtabs") == 0)
+		parse_regtabs(argc, argv, &opt_regtabs, &opt_rt_len, bad_arg);
+	else if (STRCMP(option, "blank") == 0)
+		parse_blank(argc, argv, &opt_blank, &opt_bl_min, bad_arg);
+	else if (STRCMP(option, "dump") == 0)
+		parse_snap(argc, argv, &opt_snap, &opt_sn_num, bad_arg);
+	else if (STRCMP(option, "append") == 0)
+		parse_snap(argc, argv, &opt_append, &opt_sn_num, bad_arg);
+	else if (STRCMP(option, "file") == 0)
+		parse_snapfile(argc, argv, &opt_snapfile, (int *)opt_sn_name, bad_arg);
+	else if (STRCMP(option, "msg") == 0)
+		parse_switch(argc, argv, &opt_msg, &opt_msg_on, bad_arg);
+	else if (STRCMP(option, "msglevel") == 0)
+		parse_msglevel(argc, argv, &opt_msglevel, &opt_msglevel_num, bad_arg);
+	else if (STRCMP(option, "powersave") == 0)
+		parse_powersave(argc, argv, &opt_powersave, &opt_ps_mode, bad_arg);
+	else if (STRCMP(option, "powerdown") == 0)
+		parse_blank(argc, argv, &opt_powerdown, &opt_pd_min, bad_arg);
+	else if (STRCMP(option, "blength") == 0)
+		parse_blength(argc, argv, &opt_blength, &opt_blength_l, bad_arg);
+	else if (STRCMP(option, "bfreq") == 0)
+		parse_bfreq(argc, argv, &opt_bfreq, &opt_bfreq_f, bad_arg);
 #if 0
-  else if (STRCMP(option, "standout") == 0)
-	parse_standout(argc, argv, &opt_standout, &opt_st_attr, bad_arg);
+	else if (STRCMP(option, "standout") == 0)
+		parse_standout(argc, argv, &opt_standout, &opt_st_attr, bad_arg);
 #endif
-  else
-	*bad_arg = TRUE;
+	else
+		*bad_arg = TRUE;
 }
 
 /* End of command line parsing routines. */
 
-void usage(prog_name)
-char *prog_name;		/* Name of this program. */
-{
+static void
+usage(char *prog_name) {
 /* Print error message about arguments, and the command's syntax. */
 
-  fprintf(stderr, _("%s: Argument error, usage\n"), prog_name);
-  fprintf(stderr, "\n");
-  fprintf(stderr, "%s\n", prog_name);
-  fprintf(stderr, _("  [ -term terminal_name ]\n"));
-  fprintf(stderr, _("  [ -reset ]\n"));
-  fprintf(stderr, _("  [ -initialize ]\n"));
-  fprintf(stderr, _("  [ -cursor [on|off] ]\n"));
+	fprintf(stderr, _("%s: Argument error, usage\n"), prog_name);
+	fprintf(stderr, "\n");
+	fprintf(stderr, "%s\n", prog_name);
+	fprintf(stderr, _("  [ -term terminal_name ]\n"));
+	fprintf(stderr, _("  [ -reset ]\n"));
+	fprintf(stderr, _("  [ -initialize ]\n"));
+	fprintf(stderr, _("  [ -cursor [on|off] ]\n"));
 #if 0
-  fprintf(stderr, _("  [ -snow [on|off] ]\n"));
-  fprintf(stderr, _("  [ -softscroll [on|off] ]\n"));
+	fprintf(stderr, _("  [ -snow [on|off] ]\n"));
+	fprintf(stderr, _("  [ -softscroll [on|off] ]\n"));
 #endif
-  fprintf(stderr, _("  [ -repeat [on|off] ]\n"));
-  fprintf(stderr, _("  [ -appcursorkeys [on|off] ]\n"));
-  fprintf(stderr, _("  [ -linewrap [on|off] ]\n"));
-  fprintf(stderr, _("  [ -default ]\n"));
-  fprintf(stderr, _("  [ -foreground black|blue|green|cyan"));
-  fprintf(stderr, _("|red|magenta|yellow|white|default ]\n"));
-  fprintf(stderr, _("  [ -background black|blue|green|cyan"));
-  fprintf(stderr, _("|red|magenta|yellow|white|default ]\n"));
-  fprintf(stderr, _("  [ -ulcolor black|grey|blue|green|cyan"));
-  fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
-  fprintf(stderr, _("  [ -ulcolor bright blue|green|cyan"));
-  fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
-  fprintf(stderr, _("  [ -hbcolor black|grey|blue|green|cyan"));
-  fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
-  fprintf(stderr, _("  [ -hbcolor bright blue|green|cyan"));
-  fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
+	fprintf(stderr, _("  [ -repeat [on|off] ]\n"));
+	fprintf(stderr, _("  [ -appcursorkeys [on|off] ]\n"));
+	fprintf(stderr, _("  [ -linewrap [on|off] ]\n"));
+	fprintf(stderr, _("  [ -default ]\n"));
+	fprintf(stderr, _("  [ -foreground black|blue|green|cyan"));
+	fprintf(stderr, _("|red|magenta|yellow|white|default ]\n"));
+	fprintf(stderr, _("  [ -background black|blue|green|cyan"));
+	fprintf(stderr, _("|red|magenta|yellow|white|default ]\n"));
+	fprintf(stderr, _("  [ -ulcolor black|grey|blue|green|cyan"));
+	fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
+	fprintf(stderr, _("  [ -ulcolor bright blue|green|cyan"));
+	fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
+	fprintf(stderr, _("  [ -hbcolor black|grey|blue|green|cyan"));
+	fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
+	fprintf(stderr, _("  [ -hbcolor bright blue|green|cyan"));
+	fprintf(stderr, _("|red|magenta|yellow|white ]\n"));
 #if 0
-  fprintf(stderr, _("  [ -standout [ attr ] ]\n"));
+	fprintf(stderr, _("  [ -standout [ attr ] ]\n"));
 #endif
-  fprintf(stderr, _("  [ -inversescreen [on|off] ]\n"));
-  fprintf(stderr, _("  [ -bold [on|off] ]\n"));
-  fprintf(stderr, _("  [ -half-bright [on|off] ]\n"));
-  fprintf(stderr, _("  [ -blink [on|off] ]\n"));
-  fprintf(stderr, _("  [ -reverse [on|off] ]\n"));
-  fprintf(stderr, _("  [ -underline [on|off] ]\n"));
-  fprintf(stderr, _("  [ -store ]\n"));
-  fprintf(stderr, _("  [ -clear [all|rest] ]\n"));
-  fprintf(stderr, _("  [ -tabs [ tab1 tab2 tab3 ... ] ]      (tabn = 1-160)\n"));
-  fprintf(stderr, _("  [ -clrtabs [ tab1 tab2 tab3 ... ] ]   (tabn = 1-160)\n"));
-  fprintf(stderr, _("  [ -regtabs [1-160] ]\n"));
-  fprintf(stderr, _("  [ -blank [0-60] ]\n"));
-  fprintf(stderr, _("  [ -dump   [1-NR_CONSOLES] ]\n"));
-  fprintf(stderr, _("  [ -append [1-NR_CONSOLES] ]\n"));
-  fprintf(stderr, _("  [ -file dumpfilename ]\n"));
-  fprintf(stderr, _("  [ -msg [on|off] ]\n"));
-  fprintf(stderr, _("  [ -msglevel [0-8] ]\n"));
-  fprintf(stderr, _("  [ -powersave [on|vsync|hsync|powerdown|off] ]\n"));
-  fprintf(stderr, _("  [ -powerdown [0-60] ]\n"));
-  fprintf(stderr, _("  [ -blength [0-2000] ]\n"));
-  fprintf(stderr, _("  [ -bfreq freqnumber ]\n"));
+	fprintf(stderr, _("  [ -inversescreen [on|off] ]\n"));
+	fprintf(stderr, _("  [ -bold [on|off] ]\n"));
+	fprintf(stderr, _("  [ -half-bright [on|off] ]\n"));
+	fprintf(stderr, _("  [ -blink [on|off] ]\n"));
+	fprintf(stderr, _("  [ -reverse [on|off] ]\n"));
+	fprintf(stderr, _("  [ -underline [on|off] ]\n"));
+	fprintf(stderr, _("  [ -store ]\n"));
+	fprintf(stderr, _("  [ -clear [all|rest] ]\n"));
+	fprintf(stderr, _("  [ -tabs [ tab1 tab2 tab3 ... ] ]      (tabn = 1-160)\n"));
+	fprintf(stderr, _("  [ -clrtabs [ tab1 tab2 tab3 ... ] ]   (tabn = 1-160)\n"));
+	fprintf(stderr, _("  [ -regtabs [1-160] ]\n"));
+	fprintf(stderr, _("  [ -blank [0-60] ]\n"));
+	fprintf(stderr, _("  [ -dump   [1-NR_CONSOLES] ]\n"));
+	fprintf(stderr, _("  [ -append [1-NR_CONSOLES] ]\n"));
+	fprintf(stderr, _("  [ -file dumpfilename ]\n"));
+	fprintf(stderr, _("  [ -msg [on|off] ]\n"));
+	fprintf(stderr, _("  [ -msglevel [0-8] ]\n"));
+	fprintf(stderr, _("  [ -powersave [on|vsync|hsync|powerdown|off] ]\n"));
+	fprintf(stderr, _("  [ -powerdown [0-60] ]\n"));
+	fprintf(stderr, _("  [ -blength [0-2000] ]\n"));
+	fprintf(stderr, _("  [ -bfreq freqnumber ]\n"));
 }
 
-char *ti_entry(name)
-const char *name;		/* Terminfo capability string to lookup. */
-{
+static char *ti_entry(const char *name) {
+	/* name: Terminfo capability string to lookup. */
+
 /* Return the specified terminfo string, or an empty string if no such terminfo
  * capability exists.
  */
 
-  char *buf_ptr;
+	char *buf_ptr;
 
-  if ((buf_ptr = tigetstr(name)) == (char *)-1) buf_ptr = NULL;
-  return buf_ptr;
+	if ((buf_ptr = tigetstr(name)) == (char *)-1) buf_ptr = NULL;
+	return buf_ptr;
 }
 
-void perform_sequence(vcterm)
-int vcterm;			/* Set if terminal is a virtual console. */
-{
-  int result;
+static void
+perform_sequence(int vcterm) {
+	/* vcterm: Set if terminal is a virtual console. */
+
+	int result;
 /* Perform the selected options. */
 
-  /* -reset. */
-  if (opt_reset) {
-	putp(ti_entry("rs1"));
-  }
+	/* -reset. */
+	if (opt_reset) {
+		putp(ti_entry("rs1"));
+	}
 
-  /* -initialize. */
-  if (opt_initialize) {
-	putp(ti_entry("is2"));
-  }
+	/* -initialize. */
+	if (opt_initialize) {
+		putp(ti_entry("is2"));
+	}
 
-  /* -cursor [on|off]. */
-  if (opt_cursor) {
-	if (opt_cu_on)
-		putp(ti_entry("cnorm"));
-	else
-		putp(ti_entry("civis"));
-  }
+	/* -cursor [on|off]. */
+	if (opt_cursor) {
+		if (opt_cu_on)
+			putp(ti_entry("cnorm"));
+		else
+			putp(ti_entry("civis"));
+	}
 
-  /* -linewrap [on|off]. Vc only (vt102) */
-  if (opt_linewrap && vcterm) {
-	if (opt_li_on)
-		printf("\033[?7h");
-	else
-		printf("\033[?7l");
-  }
+	/* -linewrap [on|off]. Vc only (vt102) */
+	if (opt_linewrap && vcterm) {
+		if (opt_li_on)
+			printf("\033[?7h");
+		else
+			printf("\033[?7l");
+	}
 
-  /* -repeat [on|off]. Vc only (vt102) */
-  if (opt_repeat && vcterm) {
-	if (opt_rep_on)
-		printf("\033[?8h");
-	else
-		printf("\033[?8l");
-  }
+	/* -repeat [on|off]. Vc only (vt102) */
+	if (opt_repeat && vcterm) {
+		if (opt_rep_on)
+			printf("\033[?8h");
+		else
+			printf("\033[?8l");
+	}
 
-  /* -appcursorkeys [on|off]. Vc only (vt102) */
-  if (opt_appcursorkeys && vcterm) {
-	if (opt_appck_on)
-		printf("\033[?1h");
-	else
-		printf("\033[?1l");
-  }
+	/* -appcursorkeys [on|off]. Vc only (vt102) */
+	if (opt_appcursorkeys && vcterm) {
+		if (opt_appck_on)
+			printf("\033[?1h");
+		else
+			printf("\033[?1l");
+	}
 
 #if 0
-  /* -snow [on|off].  Vc only. */
-  if (opt_snow && vcterm) {
-	if (opt_sn_on)
-		printf("%s%s%s", DCS, _("snow.on"), ST);
-	else
-		printf("%s%s%s", DCS, _("snow.off"), ST);
-  }
-
-  /* -softscroll [on|off].  Vc only. */
-  if (opt_softscroll && vcterm) {
-	if (opt_so_on)
-		printf("%s%s%s", DCS, _("softscroll.on"), ST);
-	else
-		printf("%s%s%s", DCS, _("softscroll.off"), ST);
-  }
-#endif
+	/* -snow [on|off].  Vc only. */
+	if (opt_snow && vcterm) {
+		if (opt_sn_on)
+			printf("%s%s%s", DCS, _("snow.on"), ST);
+		else
+			printf("%s%s%s", DCS, _("snow.off"), ST);
+	}
 
-  /* -default.  Vc sets default rendition, otherwise clears all
-   * attributes.
-   */
-  if (opt_default) {
-	if (vcterm)
-		printf("\033[0m");
-	else
-		putp(ti_entry("sgr0"));
-  }
-
-  /* -foreground black|red|green|yellow|blue|magenta|cyan|white|default.
-   * Vc only (ANSI).
-   */
-  if (opt_foreground && vcterm) {
-	printf("%s%s%c%s", ESC, "[3", '0' + opt_fo_color, "m");
-  }
-
-  /* -background black|red|green|yellow|blue|magenta|cyan|white|default.
-   * Vc only (ANSI).
-   */
-  if (opt_background && vcterm) {
-	printf("%s%s%c%s", ESC, "[4", '0' + opt_ba_color, "m");
-  }
-
-  /* -ulcolor black|red|green|yellow|blue|magenta|cyan|white|default.
-   * Vc only.
-   */
-  if (opt_ulcolor && vcterm) {
-	printf("\033[1;%d]", opt_ul_color);
-  }
-
-  /* -hbcolor black|red|green|yellow|blue|magenta|cyan|white|default.
-   * Vc only.
-   */
-  if (opt_hbcolor && vcterm) {
-	printf("\033[2;%d]", opt_hb_color);
-  }
-
-  /* -inversescreen [on|off].  Vc only (vt102).
-   */
-  if (opt_inversescreen) {
-	if (vcterm) {
-		if (opt_invsc_on)
-			printf("\033[?5h");
+	/* -softscroll [on|off].  Vc only. */
+	if (opt_softscroll && vcterm) {
+		if (opt_so_on)
+			printf("%s%s%s", DCS, _("softscroll.on"), ST);
 		else
-			printf("\033[?5l");
+			printf("%s%s%s", DCS, _("softscroll.off"), ST);
 	}
-  }
-
-  /* -bold [on|off].  Vc behaves as expected, otherwise off turns off
-   * all attributes.
-   */
-  if (opt_bold) {
-	if (opt_bo_on)
-		putp(ti_entry("bold"));
-	else {
+#endif
+
+	/* -default.  Vc sets default rendition, otherwise clears all
+	 * attributes.
+	 */
+	if (opt_default) {
 		if (vcterm)
-			printf("%s%s", ESC, "[22m");
+			printf("\033[0m");
 		else
 			putp(ti_entry("sgr0"));
 	}
-  }
-
-  /* -half-bright [on|off].  Vc behaves as expected, otherwise off turns off
-   * all attributes.
-   */
-  if (opt_halfbright) {
-	if (opt_hb_on)
-		putp(ti_entry("dim"));
-	else {
-		if (vcterm)
-			printf("%s%s", ESC, "[22m");
+
+	/* -foreground black|red|green|yellow|blue|magenta|cyan|white|default.
+	 * Vc only (ANSI).
+	 */
+	if (opt_foreground && vcterm) {
+		printf("%s%s%c%s", ESC, "[3", '0' + opt_fo_color, "m");
+	}
+
+	/* -background black|red|green|yellow|blue|magenta|cyan|white|default.
+	 * Vc only (ANSI).
+	 */
+	if (opt_background && vcterm) {
+		printf("%s%s%c%s", ESC, "[4", '0' + opt_ba_color, "m");
+	}
+
+	/* -ulcolor black|red|green|yellow|blue|magenta|cyan|white|default.
+	 * Vc only.
+	 */
+	if (opt_ulcolor && vcterm) {
+		printf("\033[1;%d]", opt_ul_color);
+	}
+
+	/* -hbcolor black|red|green|yellow|blue|magenta|cyan|white|default.
+	 * Vc only.
+	 */
+	if (opt_hbcolor && vcterm) {
+		printf("\033[2;%d]", opt_hb_color);
+	}
+
+	/* -inversescreen [on|off].  Vc only (vt102).
+	 */
+	if (opt_inversescreen) {
+		if (vcterm) {
+			if (opt_invsc_on)
+				printf("\033[?5h");
+			else
+				printf("\033[?5l");
+		}
+	}
+
+	/* -bold [on|off].  Vc behaves as expected, otherwise off turns off
+	 * all attributes.
+	 */
+	if (opt_bold) {
+		if (opt_bo_on)
+			putp(ti_entry("bold"));
+		else {
+			if (vcterm)
+				printf("%s%s", ESC, "[22m");
+			else
+				putp(ti_entry("sgr0"));
+		}
+	}
+
+	/* -half-bright [on|off].  Vc behaves as expected, otherwise off turns off
+	 * all attributes.
+	 */
+	if (opt_halfbright) {
+		if (opt_hb_on)
+			putp(ti_entry("dim"));
+		else {
+			if (vcterm)
+				printf("%s%s", ESC, "[22m");
+			else
+				putp(ti_entry("sgr0"));
+		}
+	}
+
+	/* -blink [on|off].  Vc behaves as expected, otherwise off turns off
+	 * all attributes.
+	 */
+	if (opt_blink) {
+		if (opt_bl_on)
+			putp(ti_entry("blink"));
+		else {
+			if (vcterm)
+				printf("%s%s", ESC, "[25m");
+			else
+				putp(ti_entry("sgr0"));
+		}
+	}
+
+	/* -reverse [on|off].  Vc behaves as expected, otherwise off turns
+	 * off all attributes.
+	 */
+	if (opt_reverse) {
+		if (opt_re_on)
+			putp(ti_entry("rev"));
+		else {
+			if (vcterm)
+				printf("%s%s", ESC, "[27m");
+			else
+				putp(ti_entry("sgr0"));
+		}
+	}
+
+	/* -underline [on|off]. */
+	if (opt_underline) {
+		if (opt_un_on)
+			putp(ti_entry("smul"));
 		else
-			putp(ti_entry("sgr0"));
+			putp(ti_entry("rmul"));
 	}
-  }
-
-  /* -blink [on|off].  Vc behaves as expected, otherwise off turns off
-   * all attributes.
-   */
-  if (opt_blink) {
-	if (opt_bl_on)
-		putp(ti_entry("blink"));
-	else {
-		if (vcterm)
-			printf("%s%s", ESC, "[25m");
+
+	/* -store.  Vc only. */
+	if (opt_store && vcterm) {
+		printf("\033[8]");
+	}
+
+	/* -clear [all|rest]. */
+	if (opt_clear) {
+		if (opt_cl_all)
+			putp(ti_entry("clear"));
 		else
-			putp(ti_entry("sgr0"));
+			putp(ti_entry("ed"));
 	}
-  }
-
-  /* -reverse [on|off].  Vc behaves as expected, otherwise off turns
-   * off all attributes.
-   */
-  if (opt_reverse) {
-	if (opt_re_on)
-		putp(ti_entry("rev"));
-	else {
-		if (vcterm)
-			printf("%s%s", ESC, "[27m");
+
+	/* -tabs Vc only. */
+	if (opt_tabs && vcterm) {
+		int i;
+
+		if (opt_tb_array[0] == -1)
+			show_tabs();
+		else {
+			for(i=0; opt_tb_array[i] > 0; i++)
+				printf("\033[%dG\033H", opt_tb_array[i]);
+			putchar('\r');
+		}
+	}
+
+	/* -clrtabs Vc only. */
+	if (opt_clrtabs && vcterm) {
+		int i;
+
+		if (opt_tb_array[0] == -1)
+			printf("\033[3g");
 		else
-			putp(ti_entry("sgr0"));
+			for(i=0; opt_tb_array[i] > 0; i++)
+				printf("\033[%dG\033[g", opt_tb_array[i]);
+		putchar('\r');
 	}
-  }
 
-  /* -underline [on|off]. */
-  if (opt_underline) {
-	if (opt_un_on)
-		putp(ti_entry("smul"));
-	else
-		putp(ti_entry("rmul"));
-  }
-
-  /* -store.  Vc only. */
-  if (opt_store && vcterm) {
-	printf("\033[8]");
-  }
-
-  /* -clear [all|rest]. */
-  if (opt_clear) {
-	if (opt_cl_all)
-		putp(ti_entry("clear"));
-	else
-		putp(ti_entry("ed"));
-  }
-
-  /* -tabs Vc only. */
-  if (opt_tabs && vcterm) {
-    int i;
-
-    if (opt_tb_array[0] == -1)
-      show_tabs();
-    else {
-      for(i=0; opt_tb_array[i] > 0; i++)
-        printf("\033[%dG\033H", opt_tb_array[i]);
-      putchar('\r');
-    }
-  }
-
-  /* -clrtabs Vc only. */
-  if (opt_clrtabs && vcterm) {
-    int i;
-
-    if (opt_tb_array[0] == -1)
-      printf("\033[3g");
-    else
-      for(i=0; opt_tb_array[i] > 0; i++)
-        printf("\033[%dG\033[g", opt_tb_array[i]);
-    putchar('\r');
-  }
-
-  /* -regtabs Vc only. */
-  if (opt_regtabs && vcterm) {
-    int i;
-
-    printf("\033[3g\r");
-    for(i=opt_rt_len+1; i<=160; i+=opt_rt_len)
-      printf("\033[%dC\033H",opt_rt_len);
-    putchar('\r');
-  }
-
-  /* -blank [0-60]. */
-  if (opt_blank && vcterm) 
-    printf("\033[9;%d]", opt_bl_min);
+	/* -regtabs Vc only. */
+	if (opt_regtabs && vcterm) {
+		int i;
+
+		printf("\033[3g\r");
+		for(i=opt_rt_len+1; i<=160; i+=opt_rt_len)
+			printf("\033[%dC\033H",opt_rt_len);
+		putchar('\r');
+	}
+
+	/* -blank [0-60]. */
+	if (opt_blank && vcterm) 
+		printf("\033[9;%d]", opt_bl_min);
     
-  /* -powersave [on|vsync|hsync|powerdown|off] (console) */
-  if (opt_powersave) {
-        char ioctlarg[2];
-	ioctlarg[0] = 10;	/* powersave */
-	ioctlarg[1] = opt_ps_mode;
-        if (ioctl(0,TIOCLINUX,ioctlarg))
-	    fprintf(stderr,_("cannot (un)set powersave mode\n"));
-  }
-
-  /* -powerdown [0-60]. */
-  if (opt_powerdown) {
-	printf("\033[14;%d]", opt_pd_min);
-  }
+	/* -powersave [on|vsync|hsync|powerdown|off] (console) */
+	if (opt_powersave) {
+		char ioctlarg[2];
+		ioctlarg[0] = 10;	/* powersave */
+		ioctlarg[1] = opt_ps_mode;
+		if (ioctl(0,TIOCLINUX,ioctlarg))
+			fprintf(stderr,_("cannot (un)set powersave mode\n"));
+	}
+
+	/* -powerdown [0-60]. */
+	if (opt_powerdown) {
+		printf("\033[14;%d]", opt_pd_min);
+	}
 
 #if 0
-  /* -standout [num]. */
-  if (opt_standout)
-	/* nothing */;
+	/* -standout [num]. */
+	if (opt_standout)
+		/* nothing */;
 #endif
 
-  /* -snap [1-NR_CONS]. */
-  if (opt_snap || opt_append) {
-      FILE *F;
-
-      F = fopen(opt_sn_name, opt_snap ? "w" : "a");
-      if (!F) {
-	  perror(opt_sn_name);
-	  fprintf(stderr,("setterm: can not open dump file %s for output\n"),
-		  opt_sn_name); 
-	  exit(-1);
-      }
-      screendump(opt_sn_num, F);
-      fclose(F);
-  }
-
-  /* -msg [on|off]. */
-  if (opt_msg && vcterm) {
-       if (opt_msg_on)
-               /* 7 -- Enable printk's to console */
-               result = klogctl(7, NULL, 0);
-       else
-               /*  6 -- Disable printk's to console */
-               result = klogctl(6, NULL, 0);
-
-       if (result != 0)
-               printf(_("klogctl error: %s\n"), strerror(result));
-  }
-
-  /* -msglevel [0-8] */
-  if (opt_msglevel && vcterm) {
-       /* 8 -- Set level of messages printed to console */
-       result = klogctl(8, NULL, opt_msglevel_num);
-       if (result != 0)
-               printf(_("klogctl error: %s\n"), strerror(result));
-   }
-
-  /* -blength [0-2000] */
-  if (opt_blength && vcterm) {
-       printf("\033[11;%d]", opt_blength_l);
-  }
+	/* -snap [1-NR_CONS]. */
+	if (opt_snap || opt_append) {
+		FILE *F;
+
+		F = fopen(opt_sn_name, opt_snap ? "w" : "a");
+		if (!F) {
+			perror(opt_sn_name);
+			fprintf(stderr,("setterm: can not open dump file %s for output\n"),
+				opt_sn_name); 
+			exit(-1);
+		}
+		screendump(opt_sn_num, F);
+		fclose(F);
+	}
+
+	/* -msg [on|off]. */
+	if (opt_msg && vcterm) {
+		if (opt_msg_on)
+			/* 7 -- Enable printk's to console */
+			result = klogctl(7, NULL, 0);
+		else
+			/*  6 -- Disable printk's to console */
+			result = klogctl(6, NULL, 0);
+
+		if (result != 0)
+			printf(_("klogctl error: %s\n"), strerror(result));
+	}
+
+	/* -msglevel [0-8] */
+	if (opt_msglevel && vcterm) {
+		/* 8 -- Set level of messages printed to console */
+		result = klogctl(8, NULL, opt_msglevel_num);
+		if (result != 0)
+			printf(_("klogctl error: %s\n"), strerror(result));
+	}
+
+	/* -blength [0-2000] */
+	if (opt_blength && vcterm) {
+		printf("\033[11;%d]", opt_blength_l);
+	}
   
-  /* -bfreq freqnumber */
-  if (opt_bfreq && vcterm) {
-   	printf("\033[10;%d]", opt_bfreq_f);
-  }
+	/* -bfreq freqnumber */
+	if (opt_bfreq && vcterm) {
+		printf("\033[10;%d]", opt_bfreq_f);
+	}
 
 }
 
-extern char *malloc();
-
-void
-screendump(int vcnum, FILE *F){
+static void
+screendump(int vcnum, FILE *F) {
 #include <sys/param.h>
     char infile[MAXPATHLEN];
     unsigned char header[4];
@@ -1148,69 +1177,70 @@ try_ioctl:
     }
 }
 
-int main(int argc, char **argv)
-{
-  int bad_arg = FALSE;		/* Set if error in arguments. */
-  int arg, modifier;
-  char *term;			/* Terminal type. */
-  int vcterm;			/* Set if terminal is a virtual console. */
+int
+main(int argc, char **argv) {
+	int bad_arg = FALSE;		/* Set if error in arguments. */
+	int arg, modifier;
+	char *term;			/* Terminal type. */
+	int vcterm;			/* Set if terminal is a virtual console. */
 
-  setlocale(LC_ALL, "");
-  bindtextdomain(PACKAGE, LOCALEDIR);
-  textdomain(PACKAGE);
+	setlocale(LC_ALL, "");
+	bindtextdomain(PACKAGE, LOCALEDIR);
+	textdomain(PACKAGE);
   
-  if (argc < 2) bad_arg = TRUE;
+	if (argc < 2)
+		bad_arg = TRUE;
 
-  /* Parse arguments. */
+	/* Parse arguments. */
 
-  for (arg = 1; arg < argc;) {
-	if (*argv[arg] == '-') {
+	for (arg = 1; arg < argc;) {
+		if (*argv[arg] == '-') {
 
-		/* Parse a single option. */
+			/* Parse a single option. */
 
-		for (modifier = arg + 1; modifier < argc; modifier++) {
-			if (*argv[modifier] == '-') break;
+			for (modifier = arg + 1; modifier < argc; modifier++) {
+				if (*argv[modifier] == '-') break;
+			}
+			parse_option(argv[arg] + 1, modifier - arg - 1,
+				     &argv[arg + 1], &bad_arg);
+			arg = modifier;
+		} else {
+			bad_arg = TRUE;
+			arg++;
 		}
-		parse_option(argv[arg] + 1, modifier - arg - 1,
-			     &argv[arg + 1], &bad_arg);
-		arg = modifier;
-	} else {
-
-		bad_arg = TRUE;
-		arg++;
 	}
-  }
 
-  /* Display syntax message if error in arguments. */
+	/* Display syntax message if error in arguments. */
 
-  if (bad_arg) {
-	usage(argv[0]);
-	exit(1);
-  }
+	if (bad_arg) {
+		usage(argv[0]);
+		exit(1);
+	}
 
-  /* Find out terminal name. */
+	/* Find out terminal name. */
 
-  if (opt_term) {
-	term = opt_te_terminal_name;
-  } else {
-	term = getenv("TERM");
-	if (term == NULL) {
-		fprintf(stderr, _("%s: $TERM is not defined.\n"), argv[0]);
-		exit(1);
+	if (opt_term) {
+		term = opt_te_terminal_name;
+	} else {
+		term = getenv("TERM");
+		if (term == NULL) {
+			fprintf(stderr, _("%s: $TERM is not defined.\n"),
+				argv[0]);
+			exit(1);
+		}
 	}
-  }
 
-  /* Find terminfo entry. */
+	/* Find terminfo entry. */
 
-  setupterm(term, 1, (int *)0);
+	setupterm(term, 1, (int *)0);
 
-  /* See if the terminal is a virtual console terminal. */
+	/* See if the terminal is a virtual console terminal. */
 
-  vcterm = (!strncmp(term, "con", 3) || !strncmp(term, "linux", 5));
+	vcterm = (!strncmp(term, "con", 3) || !strncmp(term, "linux", 5));
 
-  /* Perform the selected options. */
+	/* Perform the selected options. */
 
-  perform_sequence(vcterm);
+	perform_sequence(vcterm);
 
-  return 0;
+	return 0;
 }