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    Problem on Multicast UDP receiver

    Hello,

    I am in the process of setting up a multicast UDP receiver (group 224.2.2.2) under IPv4.

    However, when I send a UDP message on the 224.2.2.2, I don't receive anything at the receiver....
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    That is right !! that was the origin of the error...

    That is right !! that was the origin of the error thanks !!
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    Can anyone help me solve the error sendto:...

    Can anyone help me solve the error sendto: Address family not supported by protocol please ?
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    yes that is right thank you ! I reduced the...

    yes that is right thank you ! I reduced the BUFSIZE to 10.000 bytes only , it is quite enough for me.

    However, I am having a new error message sendto: Address family not supported by protocol
    ...
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    UDP talker problem executing

    Hello everyone,
    I am trying to program an UDP talker using sockets.
    My program compiles with no problems but when I try to execute it with any volume number, I am getting always the error : sendto...
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    It is ok now, I should set struct values like...

    It is ok now, I should set struct values like this :


    my_args[i] = (arg_t){N_min, N_max};
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    ok thanks !! I still have this test.c:...

    ok thanks !!

    I still have this


    test.c: In function ‘main’:
    test.c:55:18: error: expected expression before ‘{’ token
    55 | my_args[i] = {N_min, N_max};
    |
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    threads problem

    Hello everyone !!

    I am trying to build a program that calculates the sum of integers between 0 and N, where N is a given integer. And I would like to do this using threads.

    The program takes 2...
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    thank you

    thank you
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    Hello guys ! I still need help here please

    Hello guys ! I still need help here please
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    First, thank you for your remarks. I declared...

    First, thank you for your remarks.
    I declared the communication pipe properly now, and I used printf correctly.
    Here is the new program:


    #include <unistd.h>
    #include <stdlib.h>
    #include...
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    Communication pipe

    Hello everyone,

    I am working on a program that allows the transmission of a message typed on the terminal of a parent process, to a child process which is responsible for displaying this message...
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    You are right ! I am learning too much new things...

    You are right ! I am learning too much new things these days :wink:
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    Apparently yes, but I am not familiar with...

    Apparently yes, but I am not familiar with sigaction() and I don't know how to use it :frown:
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    I see, thanks a lot

    I see, thanks a lot
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    Thank u John for ur reply, it was very helpful !!...

    Thank u John for ur reply, it was very helpful !! However, in this program, I would like to use the fact that signal() call system returns a pointer to the last signal handler used to handle the same...
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    that is noted, thank u for the advice :redface:

    that is noted, thank u for the advice :redface:
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    Permute signal handlers

    Hello everyone,

    I am trying to write a program that includes signals handling.
    My program should not stop when he receives a SIGINT signal, he should printf a message instead.
    This message...
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    thank u Salem, it worked

    thank u Salem, it worked
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    Problem execl()

    Hello everyone,

    I am facing a problem with this code. Actually my program should create a new Shell that takes the hole path to a bin command (/bin/ls , /bin/date ...) so it can execute it by...
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    Great ! that's what I needed. thank u very much

    Great ! that's what I needed. thank u very much
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    thank you a lot John, it worked. But I am realy...

    thank you a lot John, it worked. But I am realy interested in solving this by making buffer pointing to status. Do u have any idea how to do this ?
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    ok, but how can I make buffer pointing to status ?

    ok, but how can I make buffer pointing to status ?
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    Pointer problem

    Hi I am new in C programming and I am facing a problem with the pointer in this program that takes a file path and returns stats about the file by using the stat system call :


    #include...
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