read_file
long read_file(char *, long);
if (read_file(*argv, 0) < 0 && !isatty(0))
if (read_file(*fnp ? fnp : old_filename, 0) < 0)
if ((addr = read_file(*fnp ? fnp : old_filename, second_addr)) < 0)
if (file == NULL || read_file(file) < 0)
static int read_file(const char *);
len = read_file(STDIN_FILENO, &data);
read_file(p);