git: 9front

ref: d2bc6d3e94660d2d793c9b96b997e0cf90c2b7ff
dir: /sys/src/libc/port/strchr.c/

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#include <u.h>
#include <libc.h>

char*
strchr(char *s, int c)
{
	char c0 = c;
	char c1;

	if(c == 0) {
		while(*s++)
			;
		return s-1;
	}

	while(c1 = *s++)
		if(c1 == c0)
			return s-1;
	return 0;
}