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Diffstat (limited to 'documentation/Data Models and Sizes')
| -rw-r--r-- | documentation/Data Models and Sizes | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/documentation/Data Models and Sizes b/documentation/Data Models and Sizes new file mode 100644 index 0000000..305cb40 --- /dev/null +++ b/documentation/Data Models and Sizes @@ -0,0 +1,18 @@ +(https://www.ibm.com/support/knowledgecenter/SSLTBW_2.3.0/com.ibm.zos.v2r3.cbcpx01/datatypesize64.htm) + + ILP32 (32-bit environment) LP64 (64-bit environment) + size in bytes size in bytes + =========================== ================================ +char 1 1 +short 2 2 +int 4 4 +long 4 8 +long long 8 8 +float 4 4 +double 8 8 +long double 16 16 +pointer 4 8 +wchar_t 2 4 Other UNIX platforms usually have wchar_t 4 bytes for both + 32-bit and 64-bit mode +size_t 4 8 unsigned type +ptrdiff_t 4 8 signed type |