1. In using fp ccs3.3=fopen (" D: \ \ 1. TXT ", "r") to open the file, return a null pointer, but can't read the characters in the file data,
2. The absolute path debugging found that even if the first parameter files is invalid, the fp=fopen (" ", "r"), still returns a null pointer, the problem of not
3. The same software, to other computers work, so should be the problem of environment, because is not convenient to uninstall reshipment, to ask everyone and no one knows how be to return a responsibility?