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Type: Posts; User: Griffith

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  1. Replies
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    379

    Array of pointers, pointers to pointers.

    This program ask to the user to enter words, then it shows the words sorted. My question is If I've used correctly malloc and realloc correctly since I'm still proccessing the concept of pointer to...
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    420

    p_x is the declared variable, of type int *. A...

    p_x is the declared variable, of type int *. A pointer to an int. You can see it like this (int *)p_x. In the declaration int *p_x = &x its the same if you do it in diferent statements: int *p_x; ...
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    469

    But when im initializing the array, it lets me do...

    But when im initializing the array, it lets me do it far ahead of the 10 ints that I wanted. I was expecting some kind of warning from the compiler, or weird numbers after the 10th element, but no....
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    469

    malloc function

    Im learning the dynamic storage allocation functions and I have a question about why this is happening. I made a function my_malloc that takes my request in bytes as argument and should return a...
  5. Thread: string strcpy

    by Griffith
    Replies
    8
    Views
    731

    void remove_filename(char *url) { char *p;...

    void remove_filename(char *url)
    {
    char *p;

    p = strrchr(url, '/');

    if(p != NULL && *(p-2) != ':')
    *p = '\0';
    }
  6. Thread: string strcpy

    by Griffith
    Replies
    8
    Views
    731

    string strcpy

    So one of the exercises im doing says "do a function that removes a file name"
    For example:
    Input: "http://www.example.com/index.h
    Output: "http://www.example.com"
    This is the function I made.
    ...
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    1
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    423

    Two dimensional arrays and pointers

    I'm not understanding what's happening here.
    15726

    It seems that I'm feeding the function in the wrong way


    #define LEN 4

    int sum_two_dimensional_array(const int a[][LEN], int n)
    {
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    1
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    303

    strings & arrays question

    #include <stdio.h>

    void readLine (char buffer[]) //function to read what I type in the terminal
    {
    int i = 0, character;

    do
    {
    character = getchar ();
    ...
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    1
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    241

    Trying to understand why this happens

    #include <stdio.h>

    void calculateTriangularNumber (int n)
    {
    int i, triangularNumber = 0;

    for (i = 1; i <= n; ++i)

    ...
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