Memory Allocation

x = malloc (y).

Which of the following statements is corr

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Practice Memory Allocation – x = malloc (y).

Which of the following statements is correct.

What will be output of the following “C” code?

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Practice Memory Allocation – What will be output of the following “C” code?



 FUNC (int *p)

 {

  p = (int *)malloc(100);

  printf("p:%x",p);

 }



 int main( )

 {

  int *ptr;

  FUNC(ptr);

  printf("Ptr:%x",ptr);

  return 0;

 }

What should the program below print?

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Practice Memory Allocation – What should the program below print?



void myfunc(char** param){

++param;

}

int main(){

char* string = (char*)malloc(64);

strcpy(string, "hello_World");

myfunc(&string);

myfunc(&string);

printf("%s

", string);

return 0;

}

What will be the output of the program on GCC compiler?

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Practice Memory Allocation –

What will be the output of the program on GCC compiler?

#include<stdio.h> 

#include<stdlib.h>  

int main() {    

  int *p;     

  p = (int *)malloc(20);    

  printf("%d
", sizeof(p));   

  free(p);   

  return 0; 

}

What will be the output of the following code on GCC compiler (64 b

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Practice Memory Allocation –

What will be the output of the following code on GCC compiler (64 bit machine)?

#include<stdio.h> 

#include<stdlib.h> 

#define MAXROW 3 

#define MAXCOL 4  

int main() {     

  int (*p)[MAXCOL];     

  p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p));    

  printf("%d, %d
", sizeof(p), sizeof(*p));   

  return 0; 

}

What will be the output of the program on GCC compiler?

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Practice Memory Allocation –

What will be the output of the program on GCC compiler?

#include<stdio.h> 

#include<stdlib.h>  

int main() {    

  int *p;     

  p = (int *)malloc(20);    

  printf("%d
", sizeof(p));   

  free(p);   

  return 0; 

}

How many bytes will be allocated for the following code on GCC comp

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Practice Memory Allocation –

How many bytes will be allocated for the following code on GCC compiler(64 bit machine)?

#include<stdio.h>  

#include<stdlib.h>  

#define MAXROW 3  

#define MAXCOL 4    

int main()  {      

  int (*p)[MAXCOL];     

  p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p));      

  return 0;  

}

The functionmalloc() returns a fl

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Practice Memory Allocation –

The functionmalloc() returns a float pointer if the memory is allocated for storing float values and a double pointer if memory is allocated for storing double values.

Which of the following statements is correct?

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Practice Memory Allocation –

Which of the following statements is correct?

Specify the 2 library functions to dynamically allocate memory?

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Practice Memory Allocation –

Specify the 2 library functions to dynamically allocate memory?