rem: if(argc == 1) print_uptime(); if((argc == 2) && (!strcmp(argv[1], "-V"))) display_version(); return 0;
add: if(argc == 1) { print_uptime(); return 0; } if((argc == 2) && (!strcmp(argv[1], "-V"))) { display_version(); return 0; } fprintf(stderr, "usage: w -V\n    -V    display version\n"); return 1;
context: int main(int argc, char *argv[]) {  if(argc == 1) print_uptime();  if((argc == 2) && (!strcmp(argv[1], "-V"))) display_version();  return 0;}