ref: b8a154f5bc70a355c721a521ec03cc47c39d113b dir: /sys/src/libc/port/strrchr.c/
#include <u.h> #include <libc.h> char* strrchr(char *s, int c) { char *r; if(c == 0) return strchr(s, 0); r = 0; while(s = strchr(s, c)) r = s++; return r; }