ref: f4624471579e0cfb531ffc733cdbe007ecdfed9d dir: /libkern/strchr-spim.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; }