Function SQLBindCol 

pub unsafe extern "system" fn SQLBindCol(
    hstmt: HStmt,
    col_number: USmallInt,
    target_type: CDataType,
    target_value: Pointer,
    buffer_length: Len,
    length_or_indicator: *mut Len,
) -> SqlReturn

Binds application data bufferst to columns in the result set.

Returns

SUCCESS, SUCCESS_WITH_INFO, ERROR, or INVALID_HANDLE.