⟩ How many links are created when we create a directory file? a) 1 b) 2 c) 3 d) 4
b) 2
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In this program the allocated memory block can store
<pre lang="c" line="1" cssfile="hk1_style">
#include<stdio.h>
#include<stdlib.h>
int main()
{
int *ptr;
ptr = malloc(10);
return 0;
}
a) int
b) char
c) float
d) all of the mentionedPlease tell me output of this program?
#include<stdio.h>
#include<stdlib.h>
int main()
{
int *ptr;
ptr = (int *)calloc(1,sizeof(int));
if (ptr != 0)
printf("%dn",*ptr);
return 0;
}
a) 0
b) -1
c) garbage value
d) none of the mentionedProgram given below will allocate the memory of ___ bytes for pointer "ptr".
#include<stdio.h>
#include<stdlib.h>
int main()
{
int *ptr;
ptr = (int*)malloc(sizeof(int)*4);
ptr = realloc(ptr,sizeof(int)*2);
return 0;
}
a) 2
b) 4
c) 8
d) none of the mentionedIn which condition this prgram will print the string "google"?
#include<stdio.h>
#include<stdlib.h>
int main()
{
int *ptr;
ptr = (int *)malloc(sizeof(int)*10);
if (ptr == NULL)
printf("googlen");
return 0;
}
a) if the memory could not be allocated to the pointer "ptr"
b) if the memory has been allocated to the pointer "ptr" successfully
c) it will never print
d) none of the mentioned
