C Language MCQ - English
The operator used to get value at address stored in a pointer variable is
Answer : A
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1) What will be the output of the following C code? #include <stdio.h> int *f();
int main()
{
int *p = f();
printf("%d\n", *p);
}
int *f()
{
int *j = (int*)malloc(sizeof(int));
*j = 10;
return j;
}
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2) What will be the output of the following C code? #include <stdio.h>
int main()
{
int *ptr, a = 10;
ptr = &a;
*ptr += 1;
printf("%d,%d/n", *ptr, a);
}
3) Can you combine the following two statements into one? char *p;
p = (char*) malloc(100);
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4) What will be the output of the program ? #include<stdio.h>
int main()
{
char str[20] = "Hello";
char *const p=str;
*p='M';
printf("%s\n", str);
return 0;
}
5) In which header file is the NULL macro defined?
