db_search_symbol
sym = db_search_symbol(callpc, DB_STGY_ANY, &offset);
sym = db_search_symbol(lastlr, DB_STGY_ANY, &offset);
sym = db_search_symbol(pc, DB_STGY_ANY, &off);
sym = db_search_symbol(callpc, DB_STGY_ANY, &offset);
proc = db_search_symbol(addr, DB_STGY_PROC, &offset_from_proc);
sym = db_search_symbol(pc, DB_STGY_PROC, &diff);
sym = db_search_symbol(pc - sizeof(int),
sym = db_search_symbol(pc, DB_STGY_PROC, &diff);
sym = db_search_symbol(lr - 4, DB_STGY_ANY, &offset);
sym = db_search_symbol(callpc, DB_STGY_ANY, &offset);
sym = db_search_symbol(ra, DB_STGY_ANY, &offset);
cursym = db_search_symbol(addr, DB_STGY_PROC, &d);
sym = db_search_symbol(callpc, DB_STGY_ANY, &offset);
symbol = db_search_symbol(value, 0, &offset);
cursym = db_search_symbol(off, strategy, &d);
Elf_Sym * db_search_symbol(vaddr_t, db_strategy_t, db_expr_t *);
db_symbol_values(db_search_symbol(val,DB_STGY_ANY,offp),namep,NULL)
db_symbol_values(db_search_symbol(val,DB_STGY_XTRN,offp),namep,NULL)