newlib/winsup/mingw/mingwex/wmemchr.c

29 lines
629 B
C

/* This source code was extracted from the Q8 package created and placed
in the PUBLIC DOMAIN by Doug Gwyn <gwyn@arl.mil>
last edit: 1999/11/05 gwyn@arl.mil
Implements subclause 7.24 of ISO/IEC 9899:1999 (E).
It supports an encoding where all char codes are mapped
to the *same* code values within a wchar_t or wint_t,
so long as no other wchar_t codes are used by the program.
*/
#include <wchar.h>
wchar_t*
wmemchr(s, c, n)
register const wchar_t *s;
register wchar_t c;
register size_t n;
{
if ( s != NULL )
for ( ; n > 0; ++s, --n )
if ( *s == c )
return (wchar_t *)s;
return NULL;
}