diff options
| author | Jakob Kaivo <jkk@ung.org> | 2019-02-08 18:42:39 -0500 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2019-02-08 18:42:39 -0500 |
| commit | 7ef8a7379f7f7d09e71ccae2a0b688c3cd80423f (patch) | |
| tree | 092ab0aed1769117fd7b28b8592f6f96b0e0d5af /src/stddef/offsetof.c | |
| parent | 6acf19370e8adff79cd83b257d3f04aeaf2a59dd (diff) | |
merge sources into single tree
Diffstat (limited to 'src/stddef/offsetof.c')
| -rw-r--r-- | src/stddef/offsetof.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/stddef/offsetof.c b/src/stddef/offsetof.c new file mode 100644 index 00000000..c5bf733b --- /dev/null +++ b/src/stddef/offsetof.c @@ -0,0 +1,17 @@ +#include <stddef.h> +#define offsetof(type, member) ((size_t)((void*)&(((type*)0)->##member))) + +/** get offset of a structure member **/ + +/*** +determines the offset, in bytes, of a specified field in a TYPE(struct). +***/ + +/* +PROTOTYPE(size_t offsetof(<var>type</var>, <var>member</var>);) +RETURN_SUCCESS(the offset of ARGUMENT(member) in ARGUMENT(type)) +UNDEFINED(ARGUMENT(member) is a bit-field) +*/ +/* +STDC(1) +*/ |
