1.c

Linux网络编程PPT和源码,供学习参考

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

int main(int argc,char *argv[])
{
	pid_t child;
	
	child=fork();
	if(child==0)	
	{
		char *a[]={"ls -l",0};
		char *b[]={"PATH=/bin"};
		execve("/bin/ls",a,b);
		exit(0);		
	}
	child=fork();
	if(child==0)	
	{
		char *a[]={"ps -ef",0};
		char *b[]={"PATH=/bin"};
		execve("/bin/ps",a,b);
		exit(0);		
	}
	child=fork();
	if(child==0)	
	{
		char *a[]={"uname -a",0};
		char *b[]={"PATH=/bin"};
		execve("/bin/uname",a,b);
		exit(0);		
	}
	
	return 0;
}