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Type: Posts; User: crypto_quixote

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  1. Howdy Quzah, Yep, I see your *point. A void...

    Howdy Quzah,

    Yep, I see your *point. A void pointer is useless overkill.

    The whole thing was an exercise of my own to use void pointers, void functions, and typecasting.

    Thanks again for...
  2. Howdy, Just so happens, I'm working on getting...

    Howdy,

    Just so happens, I'm working on getting a better understanding of pointers right now myself- so your question
    inspired me to hack the following:



    /*code to pass a pointer to a...
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    C Mentor Wanted

    Howdy,
    First you should know: I'm willing to pay $.

    I've been studying C - mostly from Sam's Teach Yourself C for Linux Programming in 21 Days(years ?) for a couple of years now. I'm starting to...
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    Testing for one is a true or false test. Yes, the...

    Testing for one is a true or false test. Yes, the loop must start at 2, because the of using the modulus
    operator. "is_prime = 1; " is merely an arbitrary starting point of a true or false...
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    Hello lleon, The program you posted is clever....

    Hello lleon,

    The program you posted is clever. I think the the "is_prime = 1" and "is_prime = 2" functions as boolean
    test operators (someone please correct me if I'm wrong.).

    I found a cool...
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    Thanks, however if using (number % a) == 0 should...

    Thanks, however if using (number % a) == 0 should only tell me whether or not the number is divisible
    by a whole number in such a way that it will not leave a remainder. If the number is prime the...
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    What is the test for. Clarify that, and try...

    What is the test for.

    Clarify that, and try nesting an "if" loop to achieve the desired result.

    Good luck.
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    prime numbers re-posted

    Hello everyone,

    I finally figured out how to write the code I originally thought I was posting
    on the weekend.

    The purpose of this small program is to identify prime numbers.

    It seems to...
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    Sticky: Sam's Teach Yourself C for Linux Programming...

    Sam's Teach Yourself C for Linux Programming.

    Well presented and good explanations for learning C.

    Out of print but still findable on amazon.com
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    That has to be the fastest response I have ever...

    That has to be the fastest response I have ever had on a post.
    (less than 5 minutes)
    Thanks!
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    setting array to 0

    Hello everyone,

    I'm learning about code used to open files.

    I got the following code from "Sam's Teach Yourself C for Linux Programming"

    I don't understand why he set filename[ ] and mode [...
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    That worked! Thanks.

    That worked!

    Thanks.
  13. Replies
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    using gdb

    Hello everyone,

    I'm trying to learn to use gdb v5.3-25mdk (Mandrake Linux).

    I wrote a test.c file according to instructions I found in "Sam's Teach Youself
    Linux Programming in 24 Hours"
    ...
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    okay

    Okay,

    Thanks everyone.

    I'll try the functions route.
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    linked lists

    Beating my head against my desk trying to understand how linked lists work.
    (all those pointers pointing to pointers, then pointing to the same pointer that
    started the pointing....)
    The tutorial...
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    thanks

    Thanks.

    Those were good starting points. I'll track further reviews/prices etc.

    Must limit the total yards/pounds of books on Linux!

    All further recommendations are appreciated.
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    best gcc instruction book

    Hello all,

    I've been learning C from a couple of different books.
    (Teach yourself C for Linux Programming in 21 Days and C Programming
    in Easy Steps)

    I'm compiling using gcc v 3.3.1 on...
  18. Found it!

    Yes,

    In the main() it the on line 29 the print_strings() is called:



    print_strings(lines, number_of_lines);


    Also, the prototype for print_strings() is declared befor main():
  19. why does this code do something diff on 2 diff boxes?

    Hello,
    I'm learning C via Sam's Teach Yourself C for Linux Programming in 21 Years...
    I mean Days.

    I typed out the below code on my laptop and compiled it three times with GCC with the following...
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