From 97cabcf760b8343512b5646e60cc228b8dc1350a Mon Sep 17 00:00:00 2001 From: "Andrew J. Schorr" Date: Fri, 6 Jul 2007 17:00:24 +0000 Subject: [lib] Add comments regarding setsockopt_multicast_ipv4 arguments. 2007-07-06 Andrew J. Schorr * sockopt.{c,h}: (setsockopt_multicast_ipv4) Add some comments about the arguments. --- lib/sockopt.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'lib/sockopt.c') diff --git a/lib/sockopt.c b/lib/sockopt.c index 6ddbded1..f5f1a7ed 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -176,9 +176,10 @@ getsockopt_ipv6_ifindex (struct msghdr *msgh) int setsockopt_multicast_ipv4(int sock, int optname, - struct in_addr if_addr, + struct in_addr if_addr /* required */, unsigned int mcast_addr, - unsigned int ifindex) + unsigned int ifindex /* optional: if non-zero, may be + used instead of if_addr */) { #ifdef HAVE_STRUCT_IP_MREQN_IMR_IFINDEX -- cgit v1.2.3