9-1.c

来自「《linux应用开发技术详解》的配套代码」· C语言 代码 · 共 12 行

#include <sys/types.h>
#include <unistd.h>
   main() {
    pid_t pid;
     pid = fork();
      if(!pid)
       printf("this is child ");
       else if (pid>0)
       printf("this is parent,child has pid %d ",pid);
       else
       printf("fork fail ");        
}