pub fn __floatuneixf(a: [*]const u8, bits: usize) callconv(.c) f80
pub fn __floatuneixf(a: [*]const u8, bits: usize) callconv(.c) f80 { const byte_size = std.zig.target.intByteSize(&builtin.target, @intCast(bits)); return floatFromBigInt(f80, .unsigned, @ptrCast(@alignCast(a[0..byte_size]))); }