sctp_addr_to_associd.c

unix网络编程卷1：套接口API的全书源码

#include	"unp.h"

sctp_assoc_t
sctp_address_to_associd(int sock_fd, struct sockaddr *sa, socklen_t salen)
{
	struct sctp_paddrparams sp;
	int siz;

	siz = sizeof(struct sctp_paddrparams);
	bzero(&sp,siz);
	memcpy(&sp.spp_address,sa,salen);
	sctp_opt_info(sock_fd,0,
		   SCTP_PEER_ADDR_PARAMS, &sp, &siz);
	return(sp.spp_assoc_id);
}