ZeroMQ 官方地址 :http://api.zeromq.org/4-1:zmq_msg_data
zmq_msg_data(3) ØMQ Manual - ØMQ/3.2.5
Name
zmq_msg_data - 返回消息内容的指针
Synopsis
void *zmq_msg_data (zmq_msg_t *msg);
Description
zmq_msg_data() 函数会返回msg参数指定的消息内容的指针。
永远不要直接对zmq_msg_t对象进行直接操作,而是要使用zmq_msg函数族进行操作。
Return value
zmq_msg_data() 函数执行成功返回0。否则返回 -1,并且设置errno的值为下列定义的值。
Errors
没有定义错误代码。
See also
zmq_msg_size(3) zmq_msg_init(3) zmq_msg_init_size(3) zmq_msg_init_data(3) zmq_msg_close(3) zmq(7)
Authors
This ØMQ manual page was written by Martin Sustrik <[email protected]> and Martin Lucina <[email protected]>.
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