Function SQLDescribeColW

pub unsafe fn SQLDescribeColW(
    hstmt: *mut c_void,
    icol: u16,
    szcolname: Option<&mut [u16]>,
    pcchcolname: Option<*mut i16>,
    pfsqltype: Option<*mut i16>,
    pcbcoldef: Option<*mut u64>,
    pibscale: Option<*mut i16>,
    pfnullable: Option<*mut i16>,
) -> i16