Mega Code Archive
Reposition file pointer to a saved location
#include
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;
}