shithub: scc

ref: c48e71febf29a4600bc77c3e49390961bb718123
dir: /src/libc/string/memchr.c/

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#include <string.h>
#undef memchr

void *
memchr(const void *s, int c, size_t n)
{
	const unsigned char *bp = s;

	while (n > 0 && *bp++ != c)
		--n;
	return (n == 0) ? NULL : bp-1;
}