#include <security/checkpw.h> #include <stdio.h> int main(int argv, char *argc[]) { char *uname = "local"; char *pass = "local"; int retval = 0, i = 0; for(i=0; i < 1024; i++) { retval = checkpw(uname, pass); if (0 != retval) { printf("Incorrect password.\n"); break; } } return retval; }