sousa-gecko/docs/nspr/reference/prmcastrequest.md

PRMcastRequest

Structure used to specify values for the PR_SockOpt_AddMember and PR_SockOpt_DropMember socket options that define a request to join or leave a multicast group.

Syntax

#include <prio.h>

struct PRMcastRequest {
  PRNetAddr mcaddr;
  PRNetAddr ifaddr;
};

typedef struct PRMcastRequest PRMcastRequest;

Fields

The structure has the following fields:

mcaddr

IP multicast address of group.

ifaddr

Local IP address of interface.

Description

The mcaddr and ifaddr fields are of the type {ref}PRNetAddr, but their port fields are ignored. Only the IP address (inet.ip) fields are used.