C and DS Gate MCQ Question and Answer

1. Declare the following statement? "An array of seven pointers to chars".

char *ptr[7]();
char *ptr[7];
char (*ptr[7])();
char **ptr[7];

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2. Declare the following statement? "A pointer to an array of seven chars".

char *ptr[7]();
char (*ptr)*[7];
char (*ptr[7])();
char (*ptr)[7];

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3. What do the following declaration signify? char *arr[7];

arr is a array of 7 character pointers.
arr is a array of function pointer.
arr is a array of characters.
arr is a pointer to array of characters.

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4. What do the following declaration signify? void *foo();

foo is a pointer to an void type.
foo is a void type pointer variable.
foo is a function that return a void pointer
foo function returns nothing

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5. What do the following declaration signify? int *ptr[7];

ptr is a pointer to an array of 7 integer pointers.
ptr is a array of 7 pointers to integers.
ptr is a array of 7 integer pointers.
ptr is a array 7 pointers.

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6. What do the following declaration signify? int (*foo)();

foo is a pointer to function.
foo is a function pointer.
foo is a pointer to a function which return int
foo is a function of pointer variable.

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7. Declare the following statement? "A pointer to a function which receives an int pointer and returns float pointer".

float *(ptr)*int;
float *(*ptr)(int)
float *(*ptr)(int*)
float (*ptr)(int)

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8. Declare the following statement? "A pointer to a function which receives nothing and returns nothing".

void *(ptr)*int;
void *(*ptr)()
void *(*ptr)(*)
void (*ptr)()

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9. What do the following declaration signify? int *foo();

foo is a pointer variable of function type.
foo is a function returning pointer to an int.
foo is a function pointer.
foo is a simple declaration of pointer variable.

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10. What do the following declaration signify? void (*foo)();

. foo is a pointer to an void function type.
foo is a void type pointer function.
foo is a function that return a void pointer.
foo is a pointer to a function which returns void .

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