pub unsafe extern "C" fn SQLPrimaryKeys(
hstmt: SQLHSTMT,
szCatalogName: *mut SQLCHAR,
cchCatalogName: SQLSMALLINT,
szSchemaName: *mut SQLCHAR,
cchSchemaName: SQLSMALLINT,
szTableName: *mut SQLCHAR,
cchTableName: SQLSMALLINT,
) -> SQLRETURN