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/* ISC license. */
#include <skalibs/config.h>
#include <skalibs/bytestr.h>
#ifndef SKALIBS_FLAG_REPLACE_LIBC
#include <string.h>
unsigned int byte_chr (char const *s, unsigned int n, int c)
{
register void *p = memchr(s, c, n) ;
return p ? (unsigned int)((char *)p - s) : n ;
}
#else
unsigned int byte_chr (char const *s, unsigned int n, int c)
{
register char ch = c ;
register char const *t = s ;
for (;;)
{
if (!n) break; if (*t == ch) break; ++t; --n;
if (!n) break; if (*t == ch) break; ++t; --n;
if (!n) break; if (*t == ch) break; ++t; --n;
if (!n) break; if (*t == ch) break; ++t; --n;
}
return t - s ;
}
#endif
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