文件IO-rename

rename函数

oldname参数

代码rename

#include <stdio.h>

int main ()
{
   int ret;
   char oldname[] = "file.txt";
   char newname[] = "newfile.txt";
   
   ret = rename(oldname, newname);

   if(ret == 0) 
   {
      printf("文件重命名成功");
   }
   else 
   {
      printf("错误：不能重命名该文件");
   }
   
   return(0);
}