Function SQLDescribeCol
pub unsafe fn SQLDescribeCol(
statementhandle: *mut c_void,
columnnumber: u16,
columnname: Option<&mut [u8]>,
namelength: Option<*mut i16>,
datatype: Option<*mut i16>,
columnsize: Option<*mut u64>,
decimaldigits: Option<*mut i16>,
nullable: Option<*mut i16>,
) -> i16