> // fopen_s(file_handle, "C:\\My Documents\\My programs\\ulillilliacity.bmp", "rb"); // causes
Because it should have been &file_handle
Which is what the error message was telling you.
> // fopen_s(file_handle, "C:\\My Documents\\My programs\\ulillilliacity.bmp", "rb"); // causes
Because it should have been &file_handle
Which is what the error message was telling you.
If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
If at first you don't succeed, try writing your phone number on the exam paper.