Function winapi::um::sqlucode::SQLDescribeColW

pub unsafe extern "system" fn SQLDescribeColW(
    statementHandle: SQLHSTMT, 
    columnNumber: SQLUSMALLINT, 
    columnName: *mut SQLWCHAR, 
    bufferLength: SQLSMALLINT, 
    nameLength: *mut SQLSMALLINT, 
    dataType: *mut SQLSMALLINT, 
    columnSize: *mut SQLULEN, 
    decimalDigits: *mut SQLSMALLINT, 
    nullable: *mut SQLSMALLINT
) -> SQLRETURN