fig7.3

unix环境高级编程第二版配套源代码 unix环境高级编程第二版配套源代码

#include "apue.h"

static void	my_exit1(void);
static void	my_exit2(void);

int
main(void)
{
	if (atexit(my_exit2) != 0)
		err_sys("can't register my_exit2");

	if (atexit(my_exit1) != 0)
		err_sys("can't register my_exit1");
	if (atexit(my_exit1) != 0)
		err_sys("can't register my_exit1");

	printf("main is done\n");
	return(0);
}

static void
my_exit1(void)
{
	printf("first exit handler\n");
}

static void
my_exit2(void)
{
	printf("second exit handler\n");
}