C/stdio.h/fgetpos

    
//Header:       #include <stdio.h>  
//Declaration:  int fgetpos(FILE *stream, fpos_t *position); 
//Return:       returns zero on success or nonzero on failure 

  #include <stdio.h>
  #include <stdlib.h>
  int main(int argc, char *argv[])
  {
      FILE *fp;
      fpos_t file_loc;
      if((fp=fopen("test","r"))==NULL) {
          printf("Cannot open file.\n");
          exit(1);
      }
   
      fgetpos(fp, &file_loc);
      fclose(fp);
  }