- mvwprintw(center, 8, 1, "FD");
- mvwprintw(center, 8, 10, "READ");
- mvwprintw(center, 8, 17, "WRITE");
- mvwprintw(center, 8, 24, "FILENAME");
+ mvwprintw(center, line, 1, "FD");
+ mvwprintw(center, line, 10, "READ");
+ mvwprintw(center, line, 17, "WRITE");
+ mvwprintw(center, line++, 24, "FILENAME");