systest1.c

来自「AUPE的源代码」· C语言 代码 · 共 24 行

#include	<sys/types.h>
#include	<sys/wait.h>
#include	"ourhdr.h"

int
main(void)
{
	int		status;

	if ( (status = system("date")) < 0)
		err_sys("system() error");
	pr_exit(status);

	if ( (status = system("nosuchcommand")) < 0)
		err_sys("system() error");
	pr_exit(status);

	if ( (status = system("who; exit 44")) < 0)
		err_sys("system() error");
	pr_exit(status);

	exit(0);
}