systest3.c

UNIX编程高级环境（第二版）的进程部分的程序源码

#include    "ourhdr.h"

int
main(int argc, char *argv[])
{
    int        status;

    if (argc < 2)
        err_quit("command-line argument required");

    if ( (status = system(argv[1])) < 0)
        err_sys("system() error");
    pr_exit(status);

    exit(0);
}