if(Username == NULL) return -1;
if(Password == NULL) return -1;
if(strcmp(Username, "root") == 0) return 0;
if(strcmp(Username, "tpg") == 0) return 1;
if(Username == NULL) return -1;
if(Password == NULL) return -1;
if(strcmp(Username, "root") == 0) return 0;
if(strcmp(Username, "tpg") == 0) return 1;