摘要：
#include <sys/types.h>
#include <stdio.h>
#include <unistd.h>
int value = 5;
int main(void)
{ pid_t pid; pid = fork(); if (pid == 0) { value += 15; } else if (pid > 0) { wait(NULL); printf("PARENT: value = %d", value); exit(0); }
}输出PARENT: value = 5 // (各个进程有独立存储空间)通过 阅读全文
