if ((program.error_file = fopen(program.error_filename, MODE_WRITE)) == NULL)
fprintf_newline(stderr, "ERROR: cannot open file '%s' for writing!",
program.error_filename);
if ((program.error_file = fopen(program.error_filename, MODE_WRITE)) == NULL)
fprintf_newline(stderr, "ERROR: cannot open file '%s' for writing!",
program.error_filename);