opts.c (in_fnames, [...]): Moved here from c-opts.
* opts.c (in_fnames, num_in_fnames): Moved here from c-opts.
(add_input_filename): New function.
(handle_options): Call add_input_filename directly instead of
with a lang hook.
* opts.h (in_fnames, num_in_fnames): Moved here.
(add_input_filename): Declare.
* c-decl.c: Need to #include opts.h.
* Makefile.in (c-decl.o): Also depends on opts.h.
* c-opts.c (in_fnames, num_in_fnames): Moved to opts.c.
(c_common_handle_filename): Replaced by add_input_filename.
* c-common.h (in_fnames, num_in_fnames, c_common_handle_filename):
Remove.
* langhooks.h (struct lang_hooks): Remove handle_filename hook.
* langhooks-def.h (LANG_HOOKS_HANDLE_FILENAME): Remove macro.
(LANG_HOOKS_INITIALIZER): Remove use of LANG_HOOKS_HANDLE_FILENAME.
* c-lang.c (LANG_HOOKS_HANDLE_FILENAME): Remove macro.