ref: 1656d16bea8cb893b47ac0fe29eabf3777d5a3e3
dir: /sys/src/ape/lib/ap/gen/strchr.c/
#include <string.h>
char*
strchr(const 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;
}