返回当前文件指针

[c]代码库

#include <stdio.h> 

int main(void) 
{ 
   FILE *stream; 

   stream = fopen("MYFILE.TXT", "w+"); 
   fprintf(stream, "This is a test"); 
   printf("The file pointer is at byte \ 
          %ld\n", ftell(stream)); 
   fclose(stream); 
   return 0; 
}