db_history_prev    66 ddb/db_input.c char *  db_history_prev = (char *) 0;	/* start of previous line */
db_history_prev   269 ddb/db_input.c 		if (db_history_curr == db_history_prev) {
db_history_prev   275 ddb/db_input.c 			for (pp = db_history_prev, pc = db_lbuf_start;
db_history_prev   294 ddb/db_input.c 			db_history_prev = db_history_last;