RTLD

pub const RTLD = switch (native_os) {
    .linux, .emscripten => packed struct(u32) {
        LAZY: bool = false,
        NOW: bool = false,
        NOLOAD: bool = false,
        DEEPBIND: bool = false,
        _4: u4 = 0,
        GLOBAL: bool = false,
        _9: u3 = 0,
        NODELETE: bool = false,
        _: u19 = 0,
    },
    .dragonfly, .freebsd => packed struct(u32) {
        LAZY: bool = false,
        NOW: bool = false,
        _2: u6 = 0,
        GLOBAL: bool = false,
        TRACE: bool = false,
        _10: u2 = 0,
        NODELETE: bool = false,
        NOLOAD: bool = false,
        _: u18 = 0,
    },
    .haiku => packed struct(u32) {
        NOW: bool = false,
        GLOBAL: bool = false,
        _: u30 = 0,
    },
    .netbsd => packed struct(u32) {
        LAZY: bool = false,
        NOW: bool = false,
        _2: u6 = 0,
        GLOBAL: bool = false,
        LOCAL: bool = false,
        _10: u2 = 0,
        NODELETE: bool = false,
        NOLOAD: bool = false,
        _: u18 = 0,
    },
    .illumos => packed struct(u32) {
        LAZY: bool = false,
        NOW: bool = false,
        NOLOAD: bool = false,
        _3: u5 = 0,
        GLOBAL: bool = false,
        PARENT: bool = false,
        GROUP: bool = false,
        WORLD: bool = false,
        NODELETE: bool = false,
        FIRST: bool = false,
        _14: u2 = 0,
        CONFGEN: bool = false,
        _: u15 = 0,
    },
    .openbsd => packed struct(u32) {
        LAZY: bool = false,
        NOW: bool = false,
        _2: u6 = 0,
        GLOBAL: bool = false,
        TRACE: bool = false,
        _: u22 = 0,
    },
    .driverkit, .ios, .maccatalyst, .macos, .tvos, .visionos, .watchos => packed struct(u32) {
        LAZY: bool = false,
        NOW: bool = false,
        LOCAL: bool = false,
        GLOBAL: bool = false,
        NOLOAD: bool = false,
        _5: u2 = 0,
        NODELETE: bool = false,
        FIRST: bool = false,
        _: u23 = 0,
    },
    // https://github.com/SerenityOS/serenity/blob/36a26d7fa80bc9c72b19442912d8967f448368ff/Userland/Libraries/LibC/dlfcn.h#L13-L17
    .serenity => packed struct(c_int) {
        DEFAULT: bool = false,
        _1: u1,
        LAZY: bool = false,
        NOW: bool = false,
        GLOBAL: bool = false,
        LOCAL: bool = false,
        _: @Int(.unsigned, @bitSizeOf(c_int) - 6) = 0,
    },
    else => void,
}