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how to use malloc in c

Eman 
#include <stdlib.h>

void *malloc(size_t size);

void exemple(void)
{
  char *string;
  
  string = malloc(sizeof(char) * 5);
  if (string == NULL)
    return;
  string[0] = 'H';
  string[1] = 'e';
  string[2] = 'y';
  string[3] = '!';
  string[4] = '\0';
  printf("%s\n", string);
  free(string);
}

/// output : "Hey!"
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3.83
6
OKUMA_LC50 120 points 

                                    int* a =(int*)malloc(sizeof(int))

3.83 (6 Votes)
0
0
0
Pnschofield 85 points 

                                    int main(int argc, char *argv[])
{
    int* memoireAllouee = NULL;

    memoireAllouee = malloc(sizeof(int));
    if (memoireAllouee == NULL) // Si l'allocation a &eacute;chou&eacute;
    {
        exit(0); // On arr&ecirc;te imm&eacute;diatement le programme
    }

    // On peut continuer le programme normalement sinon

    return 0;
}

0
0
3.5
4
DrInk 160 points 

                                    ptr = (castType*) malloc(size);

3.5 (4 Votes)
0
4.43
7
DVA 75 points 

                                    // Let's allocate enough space on the heap for an array storing 4 ints

intArray = (int *) malloc(4 * sizeof(int)); // A pointer to an array of ints

intArray[0] = 10;
intArray[1] = 20;
intArray[2] = 25;
intArray[3] = 35;

4.43 (7 Votes)
0
4.2
5
Will K 105 points 

                                    ptr = (cast-type*) malloc(byte-size)

4.2 (5 Votes)
0
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