ref: 482e874528c6c86e661a3e4a1b9fda12f2346385 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; }