2012-02-01 Gary Benson <gbenson@redhat.com>

2012-02-01  Gary Benson  <gbenson@redhat.com>

	* symtab.h (symbol_name_match_p_ftype): New typedef.
	(iterate_over_symbols): Use the above.
	* symtab.c (iterate_over_symbols): Likewise.
	* language.h (language_defn->la_iterate_over_symbols): Likewise.
	* ada-lang.c (ada_iterate_over_symbols): Likewise.
	* linespec.c (iterate_over_all_matching_symtabs): Likewise.
	(iterate_name_matcher): Document return values.
	(collect_one_symbol): Likewise.
	(collect_function_symbols): Likewise.
	(collect_symbols): Likewise.