Macros in ddb

• CTRL ddb/db_input.c:52
• db_find_sym_and_offset ddb/db_sym.h:86
• db_find_xtrn_sym_and_offset ddb/db_sym.h:90
• db_get_aout_symtab ddb/db_aout.c:64
• isspace ddb/db_input.c:53
• NEXT_TAB ddb/db_output.c:57