ref: ae319d0a308964880d2d35db4e2fe1c0de9faf45 dir: /sys/src/ape/lib/ap/gen/strrchr.c/
#include <string.h> char* strrchr(const char *s, int c) { char *r; if(c == 0) return strchr(s, 0); r = 0; while(s = strchr(s, c)) r = s++; return r; }