Linux下多进程

#include<stdio.h>#include<unistd.h>#include<stdlib.h>#include<sys/types.h>#include<sys/wait.h>int main(){pid_t pid[3];int i;for(i=1;i<=3;i++){pid[i-1]=fork();}for(i=1;i<=3;i++){if(pid[i-1]==0){while(1){printf("process is running,id is %d\n",getpid());sleep(1);}}}return 0;}