code: purgatorio

ref: d7809194db6f52a6fc87a6d10bff7e78cc03c4d2
dir: /libkern/strchr.c/

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#include <lib9.h>

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

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

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