minix软件源代码

				/* Copyright (c) 1985 Ceriel J.H. Jacobs */								/* $Header: commands.h,v 7.1 88/04/29 11:44:32 ceriel Exp $ */								# ifndef _COMMANDS_				# define PUBLIC extern				# else				# define PUBLIC				# endif								/* Flags, describing properties of commands */								# define SCREENSIZE_ADAPT	01	/* Can change screen size */				# define SCROLLSIZE_ADAPT	02	/* Can change scrollsize */				# define TONEXTFILE		04	/* to next file */				# define AHEAD			010	/* goes ahead in the file */				# define BACK			020	/* goes back in the file */				# define NEEDS_SCREEN		040	/* needs screen info */				# define TOPREVFILE		0100	/* to previous file */				# define STICKY			0200	/* remember for lastcomm */				# define NEEDS_COUNT		0400	/* command needs a count */				# define ESC			01000	/* shell or pipe escape */								extern struct commands {				    char *c_cmd;		/* Short mnemonic for a command */				    int c_flags;		/* describes command properties */				    int (*c_func)();		/* Function executing the command */				    char *c_descr;		/* Short command description */				} commands[];								int	do_chkm();				/*				 * int	do_chkm(cnt)				 * long cnt;			Ignored				 *				 * Switch to other keymap				 */								VOID	do_comm();				/*				 * void do_comm(command, count)				 * int command;			Index in the commands array				 * long count;			Some commands possibly take a count				 *				 * Checks and executes commands.				 */								int	lookup();				/*				 * int lookup(str)				 * char *str;				 *				 * Searches the string "str" in the command list.				 * It returns its index if it exists, otherwise it returns 0.				 */								VOID	wrt_fd();				/*				 * void wrt_fd(fd)				 * int fd;			File descriptor				 *				 * Write input to file descriptor fd				 */				# undef PUBLIC