atexit.h

该代码为unix环境高级编程的源代码

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)atexit.h	5.1 (Berkeley) 5/15/90
 */

/* must be at least 32 to guarantee ANSI conformance */
#define	ATEXIT_SIZE	32

struct atexit {
	struct atexit *next;		/* next in list */
	int ind;			/* next index in this table */
	void (*fns[ATEXIT_SIZE])();	/* the table itself */
};

struct atexit *__atexit;	/* points to head of LIFO stack */