nng_mqtt_msg_set_unsubscribe.3.adoc

nng_mqtt_msg_set_unsubscribe(3)

NAME

nng_mqtt_msg_set_unsubscribe - set mqtt unsubscribe message

SYNOPSIS

#include <nng/nng.h>

struct mqtt_buf_t {
	uint32_t length;
	uint8_t *buf;
};

typedef struct mqtt_buf_t nng_mqtt_topic;

void nng_mqtt_msg_set_unsubscribe_topics(nng_msg *msg, nng_mqtt_topic *topics, uint32_t topics_count);

DESCRIPTION

The nng_mqtt_msg_set_unsubscribe_topics() function is used to set mqtt unsubscribe array with topic before finishing nng_mqtt_msg_encode();

RETURN VALUES

None.

ERRORS

None.

SEE ALSO

nng_mqtt_msg_alloc(3), nng_mqtt_msg_decode(3), nng_mqtt_msg_encode(3), nng_mqtt_msg_get_unsubscribe(3), nng_msg_free(3), nng_msg_body(3), nng_msg_dup(3), nng_msg_header(3), nng_msg_header_len(3), nng_msg_len(3), nng_msg_capacity(3), nng_msg_reserve(3), nng_msg_realloc(3), nng_strerror(3), nng_msg(5), nng(7)