fpos_t type — File position
typedef . . . fpos_t
The fpos_t
type is an
opaque type that represents a position in a file. The only way to
set the value of an fpos_t
object
is to call fgetpos
, and the only
things you can do with the value are assign an fpos_t
value to it and pass it as a
function argument, especially to fsetpos
.