ref: ee4b58548e0df76a402c09ffcf0964d0e6cddbfa
dir: /libc/runestrchr.c/
#include <u.h> #include <libc.h> Rune* runestrchr(Rune *s, Rune c) { Rune c0 = c; Rune c1; if(c == 0) { while(*s++) ; return s-1; } while(c1 = *s++) if(c1 == c0) return s-1; return 0; }