Function SQLSpecialColumnsW
pub unsafe fn SQLSpecialColumnsW(
hstmt: *mut c_void,
fcoltype: u16,
szcatalogname: Option<&[u16]>,
szschemaname: Option<&[u16]>,
sztablename: Option<&[u16]>,
fscope: u16,
fnullable: u16,
) -> i16