pub const POLL = struct {
    pub const RDNORM = 256;
    pub const RDBAND = 512;
    pub const PRI = 1024;
    pub const WRNORM = 16;
    pub const WRBAND = 32;
    pub const ERR = 1;
    pub const HUP = 2;
    pub const NVAL = 4;
    pub const IN = RDNORM | RDBAND;
    pub const OUT = WRNORM;
}