ref: 299e89562db71dc41c5c2a4f30bb1ffdfd84239d dir: /libc/strccnt.c/
#include <u.h> #include <libc.h> int strccnt(char *s, char c) { int i, t; i = 0; t = 0; while(i < strlen(s)) { if(s[i] == c) t++; i++; } return t; }