ref: d1540c7f666e3c5d636b48c956b444205b50502d dir: /libkern/strchr.c/
#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; }