Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

socket_mcjoin6(3) [debian man page]

socket_mcjoin6(3)					     Library Functions Manual						 socket_mcjoin6(3)

NAME
socket_mcjoin6 - join a multicast group SYNTAX
#include <socket.h> int socket_mcjoin6(int s,const char groupip[16],uint32 interface); DESCRIPTION
socket_mcjoin6 joins the IPv6 multicast group groupip on interface. If something goes wrong, socket_mcjoin6 returns -1, setting errno appropriately. SEE ALSO
socket_mcleave6(3), socket_mcjoin4(3), socket_getifidx(3) socket_mcjoin6(3)

Check Out this Related Man Page

setipv4sourcefilter(3N) 												   setipv4sourcefilter(3N)

NAME
setipv4sourcefilter() - set IPv4 multicast source filter state SYNOPSIS
DESCRIPTION
This function sets the multicast source filter state for an IPv4 multicast group on a given socket. This function can be used to join a multicast group by specifying a filter mode of (with or without a source list), or by specifying a filter mode of with a non-empty source list. If the multicast group is already joined, this function replaces the existing filter mode and source list with the ones provided. This function can be used to leave a multicast group by specifying a filter mode of and an empty source list. Parameters s Specifies the descriptor identifying the socket. The socket address family must be and the socket type must be interface Holds the IPv4 address of a local interface, or If set to the system chooses a multicast group by matching the multicast address only; or when joining a group, the system chooses the interface that datagrams for the group would be sent from, based on the routing configuration. group Holds the IPv4 multicast address of the group. fmode Identifies the filter mode. The value of this field must be either or which are defined in numsrc Holds the number of source addresses in the slist array. slist Points to an array of IPv4 addresses of sources to include or exclude depending on the filter mode. RETURN VALUES
returns the following values: Successful completion. Failure. is set to indicate the error. ERRORS
If fails, is set to one of the following values: The argument s is not a valid descriptor. This function is not supported by the socket type. Insufficient memory is available for internal system data structures. numsrc exceeds the maximum number of sources allowed, as determined by the ndd tunable parameters and The specified IP address is not a local interface address; or trying to leave an unjoined group. group is not an IPv4 multicast address; or slist contains an invalid source address; or the specified filter mode is not valid. AUTHOR
was developed by HP and the IETF. SEE ALSO
ndd(1M), socket(2), getipv4sourcefilter(3N), getsourcefilter(3N), setsourcefilter(3N), ip(7P), ip6(7P). STANDARDS CONFORMANCE
RFC 3678 setipv4sourcefilter(3N)
Man Page

13 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Adding the individual columns of a matrix.

I have a huge matrix file containing some 1.5 million rows and 6000 columns. The matrix looks something like this: 1 2 3 4 5 6 7 8 9 3 4 5 I want to add all the numbers in the columns of this matrix and display the result to my stdout. This means that the numbers in the first column are: ... (2 Replies)
Discussion started by: shoaibjameel123
2 Replies

2. Shell Programming and Scripting

awk or sed - Convert 2 lines to 1 line

Hi, Just trying to get to grips with sed and awk for some reporting for work and I need some assistance: I have a file that lists policy names on the first line and then on the second line whether the policy is active or not. Policy Name: Policy1 Active: yes Policy... (8 Replies)
Discussion started by: guinch
8 Replies

3. Shell Programming and Scripting

How can I do this in VI editor?

version info : vi availabe with RHEL 5.4 I have a text file with 10,000 lines. I want to copy lines from 5000th line to 7000th and redirect to a file. Any idea how I can do this? Note: The above scenario is just an example. In my actual requirement, the file has 14 million lines and I want... (9 Replies)
Discussion started by: kraljic
9 Replies

4. Fedora

Is UNIX an open source OS ?

Hi everyone, I know the following questions are noobish questions but I am asking them because I am confused about the basics of history behind UNIX and LINUX. Ok onto business, my questions are-: Was/Is UNIX ever an open source operating system ? If UNIX was... (21 Replies)
Discussion started by: sreyan32
21 Replies

5. What is on Your Mind?

Introduction

Hello, I couldn't find an actual introduction thread, so I decided to just put this here. I go by d0wngrade online. I have been programming in multiple languages for about 15+ years. I started with standard web design languages like HTML and CSS, but I then advanced from design to development... (2 Replies)
Discussion started by: d0wngrade
2 Replies

6. UNIX for Advanced & Expert Users

Detecting unused variables...

Hi guys... The first active code line in AudioScope.sh is set -u . This causes a complete exit if a variable is used/found but has not been allocated at the start of the program. However, apart from writing code to do the task, is there a switch to to check which variables have been... (17 Replies)
Discussion started by: wisecracker
17 Replies

7. Shell Programming and Scripting

One instance of comparing grep and awk

Hi. In thread https://www.unix.com/shell-programming-and-scripting/267833-grouping-counting.html rovf and I had a mini-discussion on grep and awk. Here is a demo script that compares the awk and grep approaches for this single problem: #!/usr/bin/env bash # @(#) s2 Demonstrate group... (1 Reply)
Discussion started by: drl
1 Replies

8. Shell Programming and Scripting

Find columns in a file based on header and print to new file

Hello, I have to fish out some specific columns from a file based on the header value. I have the list of columns I need in a different file. I thought I could read in the list of headers I need, # file with header names of required columns in required order headers_file=$2 # read contents... (11 Replies)
Discussion started by: LMHmedchem
11 Replies

9. OS X (Apple)

Installing Dash Shell on OS X Lion

For those interested in installing dash shell on OSX Lion to help test POSIX compliancy of shell scripts, it is quite easy. I did it like this: If you don't have gcc on your system: 0. Download and install the Command Line Tools for Xcode package from Sign In - Apple * 1. Download the dash... (2 Replies)
Discussion started by: Scrutinizer
2 Replies

10. UNIX for Beginners Questions & Answers

Weird 'find' results

Hello and thanks in advance for any help anyone can offer me I'm trying to learn the find command and thought I was understanding it... Apparently I was wrong. I was doing compound searches and I started getting weird results with the -size test. I was trying to do a search on a 1G file owned by... (14 Replies)
Discussion started by: bodisha
14 Replies

11. UNIX for Beginners Questions & Answers

How to copy a column of multiple files and paste into new excel file (next to column)?

I have data of an excel files as given below, file1 org1_1 1 1 2.5 100 org1_2 1 2 5.5 98 org1_3 1 3 7.2 88 file2 org2_1 1 1 2.5 100 org2_2 1 2 5.5 56 org2_3 1 3 7.2 70 I have multiple excel files as above shown. I have to copy column 1, column 4 and paste into a new excel file as... (26 Replies)
Discussion started by: dineshkumarsrk
26 Replies

12. What is on Your Mind?

New UNIX and Linux History Sections

Dear All, Taking a break from Vue.js coding for the site, SEO and YT videos; and hopefully addressing some well deserved criticism from some here that I have been too focused on the visual aspects of the forums versus the substance and the community.... While the "current generation... (9 Replies)
Discussion started by: Neo
9 Replies

13. Programming

My first PERL incarnation... Audio Oscillograph

Hi all... Well guys and gals, I jumped in at the deep end and found things that PERL cannot do by default. Many tricky terminal escape codes are not catered for so I had to create workarounds. One thing I searched for was this: Passing perl variable to shell command AND, @Neo this was... (15 Replies)
Discussion started by: wisecracker
15 Replies