1 #include 
     
        2 #include 
      
         3 #include 
       
          4 #include 
        
           5 #include 
         
            6   7 int main(int argc,char *argv[]){  8   9     int fd; 10     char name[1024]; 11     int i = 0; 12     while(1){ 13         sprintf(name,"file%d",++i); 14         fd = open(name,O_CREAT,0777); //超过最大打开数时再打开会出错，返回-1 15         if (fd == -1){ 16             exit(1); 17         } 18         printf("%d ",i); 19     } 20     return 0; 21 }