Code:#include <stdio.h> #include <string.h> #include <stdlib.h> #define name1 "denny" #define pass1 "123" int main(int argc, char *argv[]) { char * name; char * pass; if(argc != 3) { printf("Usage: login Your_Username Your_Password\n"); exit(1); } name = argv[1]; pass = argv[2]; if(strcmp(name,name1) == 0 && strcmp(pass,pass1) == 0) printf("Correct username and password\n"); else printf("Wrong username and password\n"); return 0; }