extern void *frame_obstack_alloc (unsigned long size);
extern void frame_saved_regs_zalloc (struct frame_info *);
-/* Return the frame address from FR. Except in the machine-dependent
+/* Return the frame address from FI. Except in the machine-dependent
*FRAME* macros, a frame address has no defined meaning other than
as a magic cookie which identifies a frame over calls to the
inferior. The only known exception is inferior.h