ref: f801657f77f3923ec2388c25bdcb036c8019ba89
dir: /libkern/strchr.c/
#include <u.h>
#include "kern.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;
}