[Solved] Receiving an “Error: expected an identifier” on C++ for “==”
if (f_in); std::ifstream == int NULL); You could rewrite this as this: if (f_in) ; std::ifstream == int NULL); And you can see that this doesn’t really make sense. Maybe you meant: if (!f_in) { fprintf(stderr, “Can’t open input file in.list!\n”); exit(1); } Or if (f_in == NULL) { fprintf(stderr, “Can’t open input file in.list!\n”); … Read more