print.c, process.c: Use bool for booleans.

print.c, process.c: Use bool for booleans.

* lisp.h (wait_reading_process_output):
* print.c (print_output_debug_flag, PRINTDECLARE, printchar)
(strout, debug_output_compilation_hack, float_to_string, print)
(print_object):
* process.c (kbd_is_on_hold, inhibit_sentinels, process_output_skip)
(decode_status, status_message, create_process, create_pty)
(Fmake_network_process, Fnetwork_interface_info)
(wait_reading_process_output, read_process_output)
(write_queue_push, write_queue_pop, process_send_signal)
(handle_child_signal, keyboard_bit_set, kbd_on_hold_p):
* process.h (struct Lisp_Process, inhibit_sentinels, kbd_on_hold_p):
Use bool for booleans.
* process.c (Fnetwork_interface_list): Remove unused local.
(connect_counter): Now EMACS_INT, not int.