gl_nonblocking_io
(gl_nonblocking_io(gl, gl->input_fd) ||
gl_nonblocking_io(gl, gl->output_fd) ||
(gl->file_fp && gl_nonblocking_io(gl, fileno(gl->file_fp))))) {
gl_nonblocking_io(gl, gl->input_fd);
gl_nonblocking_io(gl, gl->output_fd);
gl_nonblocking_io(gl, fileno(gl->file_fp));
gl_nonblocking_io(gl, fd); /* Restore non-blocking I/O */
gl_nonblocking_io(gl, fd);
gl_nonblocking_io(gl, fileno(gl->file_fp))) {
static int gl_nonblocking_io(GetLine *gl, int fd);