pub fn __floatuneitf(a: [*]const u8, bits: usize) callconv(.c) f128
pub fn __floatuneitf(a: [*]const u8, bits: usize) callconv(.c) f128 { const byte_size = std.zig.target.intByteSize(&builtin.target, @intCast(bits)); return floatFromBigInt(f128, .unsigned, @ptrCast(@alignCast(a[0..byte_size]))); }