Computer Programming C Laboratory: Practical C Programs

Write a C program using Memory allocation function

C Program with Algorithm, Flowchart, Output

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Simple C Program with Algorithm, Flowchart, Output - Computer Programming - C

Write a program using Memory allocation function.

AIM

To write a program to memory allocation function.

ALGORITHM

Step‒1 : Start

Step-2 : Allocate 10 Bytes to buffer using malloc()

Step‒3 : Check it is NULL

Step-4 : Copy data to allocated buffer

Step-5 : Print buffer contents

Step-6 : Reallocate buffer with 15 Bytes

Step-7 : Check it is NULL

Step-8 : Move data to reallocated buffer

Step‒9 : Print buffer contents

Step-10 : Free up buffer

Step‒11 : Stop

FLOWCHART

PROGRAM

#include<stdio.h>

#include<conio.h>

#define NULL 0

void main()

{

char *buffer;

if((buffer (char*)malloc(10))==NULL)

{

printf("malloc failed.\n");

exit(1);

}

printf("Buffer of size %d created \n",msize(buffer));

strcpy(buffer, "BOMBAY");

printf("Buffer contains: %s\n",buffer);

if((buffer == (char*) realloc(buffer, 15))==NULL)

{

printf("Reallocation failed.\n");

exit(1);

}

printf(“Buffer size modified.\n");

printf(“Buffer still contains: %s \n",buffer);

strcpy(buffer, "MUMBAI");

printf("Bufer now contains: %s\n",buffer);

free(buffer);

}

OUTPUT

Buffer of size 10 created

Buffer contans BOMABAY

Buffer size modified

Buffer still contains: BOMBAY

Buffer now contains: MUMBAI

Computer Programming C Laboratory: Practical C Programs : Tag: C Programming : C Program with Algorithm, Flowchart, Output - Write a C program using Memory allocation function

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