Breaking News: Grepper is joining You.com. Read the official announcement!

what is the use of malloc in c

Add Answer

Wandering Weevil answered on March 3, 2020 Popularity 10/10 Helpfulness 2/10

answer what is the use of malloc in c

related malloc in c

related malloc c include

related malloc basics

related malloc c

related malloc in c

related C malloc

related what does malloc do

related how to use malloc in c

related malloc c

related C malloc

what is the use of malloc in c

Comment

In C, the library function malloc is used to allocate a block of memory on the heap. The program accesses this block of memory via a pointer that malloc returns. When the memory is no longer needed, the pointer is passed to free which deallocates the memory so that it can be used for other purposes.

Popularity 10/10 Helpfulness 2/10 Language c

Source: Grepper

Tags: c malloc

Link to this answer
Share Copy Link

Contributed on Jul 08 2020

Wandering Weevil

0 Answers Avg Quality 2/10

Closely Related Answers

malloc in c

Comment

#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!"

Popularity 10/10 Helpfulness 4/10 Language c

Source: Grepper

Tags: c

Link to this answer
Share Copy Link

Contributed on Mar 03 2020

Thurger

0 Answers Avg Quality 2/10

malloc c include

Comment

<stdlib.h>

Popularity 10/10 Helpfulness 4/10 Language c

Source: koor.fr

Tags: c

Link to this answer
Share Copy Link

Contributed on Sep 29 2021

Gotta Go fast

0 Answers Avg Quality 2/10

malloc basics

Comment

// Program to calculate the sum of n numbers entered by the user

#include <stdio.h>
#include <stdlib.h>

int main() {
  int n, i, *ptr, sum = 0;

  printf("Enter number of elements: ");
  scanf("%d", &n);

  ptr = (int*) malloc(n * sizeof(int));
 
  // if memory cannot be allocated
  if(ptr == NULL) {
    printf("Error! memory not allocated.");
    exit(0);
  }

  printf("Enter elements: ");
  for(i = 0; i < n; ++i) {
    scanf("%d", ptr + i);
    sum += *(ptr + i);
  }

  printf("Sum = %d", sum);
  
  // deallocating the memory
  free(ptr);

  return 0;
}

Popularity 10/10 Helpfulness 3/10 Language c

Source: www.programiz.com

Tags: c

Link to this answer
Share Copy Link

Contributed on Feb 03 2022

Talented Tiger

0 Answers Avg Quality 2/10

malloc c

Comment

int *out;

out = malloc(sizeof (int) * length);
if (!out)
{
	return (NULL);
}

Popularity 9/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c c++ c+

Link to this answer
Share Copy Link

Contributed on Jul 19 2023

unel

0 Answers Avg Quality 2/10

malloc in c

Comment

// 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;

Popularity 10/10 Helpfulness 3/10 Language c

Source: Grepper

Tags: c

Link to this answer
Share Copy Link

Contributed on Jun 15 2021

Doubtful Deer

0 Answers Avg Quality 2/10

C malloc

Comment

Example: ptr = (int *) malloc (50)

Popularity 10/10 Helpfulness 3/10 Language c

Source: www.guru99.com

Tags: c

Link to this answer
Share Copy Link

Contributed on Aug 28 2021

Dead Duck

0 Answers Avg Quality 2/10

what does malloc do

Comment

adds specified amount of memory but there could be more writable memory ahead, so you have to decide how much you access

Popularity 10/10 Helpfulness 3/10 Language whatever

Source: Grepper

Tags: malloc ma

Link to this answer
Share Copy Link

Contributed on Sep 22 2022

AB_498

0 Answers Avg Quality 2/10

how to use malloc in c

Comment

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

Popularity 10/10 Helpfulness 3/10 Language c

Source: Grepper

Tags: c

Link to this answer
Share Copy Link

Contributed on Sep 22 2020

Healthy Horse

0 Answers Avg Quality 2/10

malloc c

Comment

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

    memoireAllouee = malloc(sizeof(int));
    if (memoireAllouee == NULL) // Si l'allocation a échoué
    {
        exit(0); // On arrête immédiatement le programme
    }

    // On peut continuer le programme normalement sinon

    return 0;
}

Popularity 10/10 Helpfulness 3/10 Language c

Source: openclassrooms.com

Tags: c

Link to this answer
Share Copy Link

Contributed on Nov 13 2020

Frightened Flamingo

0 Answers Avg Quality 2/10

C malloc

Comment

#include <stdlib.h>
int main(){
int *ptr;
ptr = malloc(15 * sizeof(*ptr)); /* a block of 15 integers */
    if (ptr != NULL) {
      *(ptr + 5) = 480; /* assign 480 to sixth integer */
      printf("Value of the 6th integer is %d",*(ptr + 5));
    }
}

Popularity 10/10 Helpfulness 2/10 Language c

Source: www.guru99.com

Tags: c

Link to this answer
Share Copy Link

Contributed on Aug 28 2021

Dead Duck

0 Answers Avg Quality 2/10

what is the use of malloc in c

Contents

More Related Answers

what is the use of malloc in c

Closely Related Answers

malloc in c

malloc c include

malloc basics

malloc c

malloc in c

C malloc

what does malloc do

how to use malloc in c

malloc c

C malloc

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.