C/stdio.h/fgetpos
fgetpos: stores the current file position indicator
//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);
}