pgtk_free_frame_resources 1027 src/pgtkfns.c        pgtk_free_frame_resources (f);
pgtk_free_frame_resources  565 src/pgtkterm.c     pgtk_free_frame_resources (f);
pgtk_free_frame_resources  613 src/pgtkterm.h extern void pgtk_free_frame_resources (struct frame *);