From a4e8ef72ab523568fa5c1cd356a3c14f8403d2e4 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Fri, 3 Jan 2014 02:21:52 +0100 Subject: [libc] Add isprint() Signed-off-by: Michael Brown --- src/include/ctype.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/include') diff --git a/src/include/ctype.h b/src/include/ctype.h index 9f5127bf1..e92ecb1c0 100644 --- a/src/include/ctype.h +++ b/src/include/ctype.h @@ -12,6 +12,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #define islower(c) ((c) >= 'a' && (c) <= 'z') #define isupper(c) ((c) >= 'A' && (c) <= 'Z') #define isxdigit(c) (isdigit(c) || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f')) +#define isprint(c) ((c) >= ' ' && (c) <= '~' ) static inline unsigned char tolower(unsigned char c) { -- cgit v1.2.3-55-g7522