option.h

C++的一个好库。。。现在很流行

/*
 * Copyright 1993, 1995 Christopher Seiwald.
 *
 * This file is part of Jam - see jam.c for Copyright information.
 */

/*
 * option.h - command line option processing
 *
 * {o >o
 *  \ -) "Command line option."
 */

typedef struct option
{
	char	flag;		/* filled in by getoption() */
	char	*val;		/* set to random address if true */
} option;

# define N_OPTS 256

int 	getoptions( int argc, char **argv, char *opts, option *optv );
char *	getoptval( option *optv, char opt, int subopt );