1. 根目录:
2. arch
3. um
4. drivers
5. port.h

/* 
 * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
 * Licensed under the GPL
 */

#ifndef __PORT_H__
#define __PORT_H__

extern void *port_data(int port);
extern int port_wait(void *data);
extern void port_kern_close(void *d);
extern int port_connection(int fd, int *socket_out, int *pid_out);
extern int port_listen_fd(int port);
extern void port_read(int fd, void *data);
extern void port_kern_free(void *d);
extern int port_rcv_fd(int fd);
extern void port_remove_dev(void *d);

#endif