ref: 7c06cf764b2d7de70ea225ead0e913b5785ddf3b dir: /libc/runestrchr.c/
#include <u.h> #include <libc.h> Rune* runestrchr(Rune *s, Rune c) { Rune r; if(c == 0) while(*s++) ; else while((r = *s++) != c) if(r == 0) return 0; return s-1; }