src/temp-stream.h

   1 /* A wrapper around mkstemp that gives us both an open stream pointer,
   2    FP, and the corresponding FILE_NAME.  Always return the same FP/name
   3    pair, rewinding/truncating it upon each reuse.
   4
   5    Note this honors $TMPDIR, unlike the standard defined tmpfile().  */
   6 extern bool temp_stream (FILE **fp, char **file_name);