acl/lib_protocol/include/smtp/smtp_client.h

#ifndef	__SMTP_CLIENT_INCLUDE_H__
#define	__SMTP_CLIENT_INCLUDE_H__

/* #include "lib_acl.h" */

#ifdef __cplusplus
extern "C" {
#endif

#ifdef SMTP_LIB
# ifndef SMTP_API
#  define SMTP_API
# endif
#elif defined(SMTP_DLL) /* || defined(_WINDLL) */
# if defined(SMTP_EXPORTS) || defined(protocol_EXPORTS)
#  ifndef SMTP_API
#   define SMTP_API __declspec(dllexport)
#  endif
# elif !defined(SMTP_API)
#  define SMTP_API __declspec(dllimport)
# endif
#elif !defined(SMTP_API)
# define SMTP_API
#endif

typedef struct SMTP_CLIENT {
	ACL_VSTREAM *conn;
	int   smtp_code;
	char* buf;
	int   size;
	unsigned int flag;
#define SMTP_FLAG_PIPELINING	(1 << 0)
#define SMTP_FLAG_AUTH          (1 << 1)
#define SMTP_FLAG_8BITMIME      (1 << 2)
#define SMTP_FLAG_DSN           (1 << 3)
#define SMTP_FLAG_VRFY          (1 << 4)
#define SMTP_FLAG_ETRN          (1 << 5)
#define SMTP_FLAG_SIZE          (1 << 6)
	int   message_size_limit;
} SMTP_CLIENT;

/**
 * Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param addr {const char*} SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>domain:port
 * @param conn_timeout {int} <EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>ʱʱ<EFBFBD><EFBFBD>
 * @param rw_timeout {int} IO<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD>
 * @param line_limit {int} SMTP <EFBFBD>Ự<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD>󳤶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {SMTP_CLIENT*} <EFBFBD><EFBFBD><EFBFBD>ӳɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>طǿ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD> NULL
 */
SMTP_API SMTP_CLIENT *smtp_open(const char *addr, int conn_timeout,
	int rw_timeout, int line_limit);

/**
 * <EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD> smtp_open <EFBFBD>򿪵<EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><EFBFBD>ͷŶ<EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API void smtp_close(SMTP_CLIENT *client);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD>ӭ<EFBFBD><EFBFBD>Ϣ
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_get_banner(SMTP_CLIENT *client);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> HELO/EHLO <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param name {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param ehlo {int} <EFBFBD><EFBFBD> 0 ʱʹ<EFBFBD><EFBFBD> EHLO<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> HELO
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */

SMTP_API int smtp_greet(SMTP_CLIENT *client, const char* name, int ehlo);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> HELO <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param helo {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_helo(SMTP_CLIENT *client, const char *helo);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> EHLO <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param ehlo {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_ehlo(SMTP_CLIENT *client, const char *ehlo);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>Ϣ
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param user {const char*} SMTP <EFBFBD>ʼ<EFBFBD><EFBFBD>˺<EFBFBD>
 * @param pass {const char*} SMTP <EFBFBD>ʼ<EFBFBD><EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_auth(SMTP_CLIENT *client, const char *user, const char *pass);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MAIL FROM <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param from {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_mail(SMTP_CLIENT *client, const char *from);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> RCPT TO <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param to {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_rcpt(SMTP_CLIENT *client, const char *to);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> DATA <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_data(SMTP_CLIENT *client);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param src {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD> MIME <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param len {size_t} src <EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_send(SMTP_CLIENT *client, const char* src, size_t len);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param fmt {const char*} <EFBFBD><EFBFBD>ʽ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
 * @param ... <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_printf(SMTP_CLIENT *client, const char* fmt, ...);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_data_end(SMTP_CLIENT *client);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ļ<EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param filepath {const char*} <EFBFBD>ʼ<EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_send_file(SMTP_CLIENT *client, const char *filepath);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͸<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @param in {ACL_VSTREAM*} <EFBFBD>ʼ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_send_stream(SMTP_CLIENT *client, ACL_VSTREAM *in);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD>(QUIT)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_quit(SMTP_CLIENT *client);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NOOP <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_noop(SMTP_CLIENT *client);

/**
 * <EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> RSET <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param client {SMTP_CLIENT*} SMTP <EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0 <EFBFBD><EFBFBD>ʾ<EFBFBD>ɹ<EFBFBD>(SMTP_CLIENT::smtp_code <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬
 *  SMTP_CLIENT::buf <EFBFBD>洢<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ùر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
 */
SMTP_API int smtp_rset(SMTP_CLIENT *client);

#ifdef __cplusplus
}
#endif

#endif