* symtab.h (GLOBAL_BLOCK, STATIC_BLOCK, FIRST_LOCAL_BLOCK): New

    * symtab.h (GLOBAL_BLOCK, STATIC_BLOCK, FIRST_LOCAL_BLOCK):  New
        defines for the blocks of a blockvector that contain global and
        file-static symbols and the first of the smaller scope contours.
        * symtab.c (lookup_symbol, find_pc_symtab, find_pc_line,
        decode_line_1, make_symbol_completion_list):  Use the above.

        * symtab.c (list_symbols):  Process the first symbol of the
        static psymbols list.
        (types_info):  Restore this function from its untimely #if 0.
        It's not perfect, but it is better than nothing.
        (_initialize_symtab):  Restore "info types".