fork函数创建进程

#include<stdio.h>
 #include<unistd.h>
 
  int main()
  {
          pid_t ftip;
          int count = 0;
          ftip = fork();
          if(ftip<0)
                  printf("error in fork!");
          else if(ftip==0){
                  printf("I am the child process, my process id is %d\n", getpid());
                  printf("我是儿子\n");
                  count++;
          }else{
                  printf("I am the parent process, my process id is %d\n", getpid());
                  printf("我是爹\n");
                  count++;
          }
          printf("统计结果是:%d\n", count);
          return 0;
  }