execlp_sample.c

Linux网络编程PPT和源码,供学习参考

#include <unistd.h>
#include <sys/types.h>
#include <stdio.h>



int main(int argc,char *argv[])
{
	printf("hello world!\n");
	pid_t child;
	child=fork();		//创建子进程
	if(child==0)	//在子进程里调用之前写的fork_sample程序
	{
	char *arm[]={"fork_sample",0};
	char *my_evn[]={"PATH=/mnt/hgfs/linuxshare/cn0804/fork_signal:PATH"};
	execve("fork_sample",arm,my_evn);	//增加查找目录,并替换进程映像,执行fork_sample程序
	exit(0);
	}	
	printf("hello world!\n");
	return 0;
}