pub const nlist_64 = extern struct {
    n_strx: u32,
    n_type: u8,
    n_sect: u8,
    n_desc: u16,
    n_value: u64,

    pub fn stab(sym: nlist_64) bool {
        return N_STAB & sym.n_type != 0;
    }

    pub fn pext(sym: nlist_64) bool {
        return N_PEXT & sym.n_type != 0;
    }

    pub fn ext(sym: nlist_64) bool {
        return N_EXT & sym.n_type != 0;
    }

    pub fn sect(sym: nlist_64) bool {
        const type_ = N_TYPE & sym.n_type;
        return type_ == N_SECT;
    }

    pub fn undf(sym: nlist_64) bool {
        const type_ = N_TYPE & sym.n_type;
        return type_ == N_UNDF;
    }

    pub fn indr(sym: nlist_64) bool {
        const type_ = N_TYPE & sym.n_type;
        return type_ == N_INDR;
    }

    pub fn abs(sym: nlist_64) bool {
        const type_ = N_TYPE & sym.n_type;
        return type_ == N_ABS;
    }

    pub fn weakDef(sym: nlist_64) bool {
        return sym.n_desc & N_WEAK_DEF != 0;
    }

    pub fn weakRef(sym: nlist_64) bool {
        return sym.n_desc & N_WEAK_REF != 0;
    }

    pub fn discarded(sym: nlist_64) bool {
        return sym.n_desc & N_DESC_DISCARDED != 0;
    }

    pub fn noDeadStrip(sym: nlist_64) bool {
        return sym.n_desc & N_NO_DEAD_STRIP != 0;
    }

    pub fn tentative(sym: nlist_64) bool {
        if (!sym.undf()) return false;
        return sym.n_value != 0;
    }
}