- int (*read) (struct _connection* conn, char* buf, size_t len);
- int (*write) (struct _connection *conn, const char *buf, size_t count);
- int (*open) (struct _connection *conn);
- int (*close) (struct _connection *conn);
+ int (*conn_read) (struct _connection* conn, char* buf, size_t len);
+ int (*conn_write) (struct _connection *conn, const char *buf, size_t count);
+ int (*conn_open) (struct _connection *conn);
+ int (*conn_close) (struct _connection *conn);