/* Defined in callproc.c. */
-extern void block_child_signal (sigset_t *);
-extern void unblock_child_signal (sigset_t const *);
extern Lisp_Object encode_current_directory (void);
extern void record_kill_process (struct Lisp_Process *, Lisp_Object);
extern void record_deleted_pid (pid_t, Lisp_Object);
struct sockaddr;
-#ifdef WINDOWSNT
extern Lisp_Object conv_sockaddr_to_lisp (struct sockaddr *, int);
-#endif
extern void hold_keyboard_input (void);
extern void unhold_keyboard_input (void);
extern bool kbd_on_hold_p (void);
extern void delete_read_fd (int fd);
extern void add_write_fd (int fd, fd_callback func, void *data);
extern void delete_write_fd (int fd);
-#ifdef NS_IMPL_GNUSTEP
extern void catch_child_signal (void);
-#endif
#ifdef WINDOWSNT
extern Lisp_Object network_interface_list (void);