typedef enum_func_status (*func_mysqlnd_conn_data__init)(MYSQLND_CONN_DATA * conn TSRMLS_DC);
typedef enum_func_status (*func_mysqlnd_conn_data__connect)(MYSQLND_CONN_DATA * conn, const char * host, const char * user, const char * passwd, unsigned int passwd_len, const char * db, unsigned int db_len, unsigned int port, const char * socket_or_pipe, unsigned int mysql_flags TSRMLS_DC);
-typedef zend_long (*func_mysqlnd_conn_data__escape_string)(MYSQLND_CONN_DATA * const conn, char *newstr, const char *escapestr, size_t escapestr_len TSRMLS_DC);
+typedef zend_ulong (*func_mysqlnd_conn_data__escape_string)(MYSQLND_CONN_DATA * const conn, char *newstr, const char *escapestr, size_t escapestr_len TSRMLS_DC);
typedef enum_func_status (*func_mysqlnd_conn_data__set_charset)(MYSQLND_CONN_DATA * const conn, const char * const charset TSRMLS_DC);
typedef enum_func_status (*func_mysqlnd_conn_data__query)(MYSQLND_CONN_DATA * conn, const char * query, unsigned int query_len TSRMLS_DC);
typedef enum_func_status (*func_mysqlnd_conn_data__send_query)(MYSQLND_CONN_DATA * conn, const char *query, unsigned int query_len TSRMLS_DC);