Reposition file pointer to a saved location: how to use fsetpos : File Pointer « File « C / ANSI-C

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Reposition file pointer to a saved location: how to use fsetpos







#include <stdio.h>



int main ()

{

  FILE * file;

  fpos_t pos;



  file = fopen ("my.txt", "w");

  

  fgetpos(file, &pos);

  

  fputs ("That is a line." ,file);

  

  fsetpos (file, &pos);

  fputs ("This", file);

  

  fclose (file);

  return 0;

}

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1.	Reset file position indicator to start of the file
2.	Set the file pointer to the beginning of a stream: how to use rewind
3.	Return the current position in a stream: how to use ftell

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