db_unread_char    158 ddb/db_lex.c   		    db_unread_char(c);
db_unread_char    186 ddb/db_lex.c   	    db_unread_char(c);
db_unread_char    231 ddb/db_lex.c   	    db_unread_char(c);
db_unread_char    244 ddb/db_lex.c   		db_unread_char(c);
db_unread_char    272 ddb/db_lex.c   		db_unread_char(c);
db_unread_char    278 ddb/db_lex.c   		db_unread_char(c);
db_unread_char     39 ddb/db_lex.h   void db_unread_char(int);