Declare the following statement? "A pointer to a function which receives nothing

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Question
Declare the following statement?
"A pointer to a function which receives nothing and returns nothing".
Options
A.
```
void *(ptr)*int;
```
B.
```
void *(*ptr)()
```
C.
```
void *(*ptr)(*)
```
D.
```
void (*ptr)()
```

Correct Answer

void (*ptr)()

Complicated Declarations problems

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1. What do the following declaration signify?
```
char **argv;
```
Options
A. argv is a pointer to pointer.
B. argv is a pointer to a char pointer.
C. argv is a function pointer.
D. argv is a member of function pointer.

2. Declare the following statement?
"A pointer to a function which receives an int pointer and returns float pointer".
Options
A.
```
float *(ptr)*int;
```
B.
```
float *(*ptr)(int)
```
C.
```
float *(*ptr)(int*)
```
D.
```
float (*ptr)(int)
```

Correct Answer:

float *(*ptr)(int*)

3. What do the following declaration signify?
```
int *f();
```
Options
A. f is a pointer variable of function type.
B. f is a function returning pointer to an int.
C. f is a function pointer.
D. f is a simple declaration of pointer variable.

4. Declare the following statement?
"An array of three pointers to chars".
Options
A.
```
char *ptr[3]();
```
B.
```
char *ptr[3];
```
C.
```
char (*ptr[3])();
```
D.
```
char **ptr[3];
```

Correct Answer:

char *ptr[3];

5. What do the following declaration signify?
```
int (*pf)();
```
Options
A. pf is a pointer to function.
B. pf is a function pointer.
C. pf is a pointer to a function which return int
D. pf is a function of pointer variable.

6. What do the following declaration signify?
```
char *scr;
```
Options
A. scr is a pointer to pointer variable.
B. scr is a function pointer.
C. scr is a pointer to char.
D. scr is a member of function pointer.

7. What do the following declaration signify?
```
void *cmp();
```
Options
A. cmp is a pointer to an void type.
B. cmp is a void type pointer variable.
C. cmp is a function that return a void pointer.
D. cmp function returns nothing.

8. Declare the following statement?
"A pointer to an array of three chars".
Options
A.
```
char *ptr[3]();
```
B.
```
char (*ptr)*[3];
```
C.
```
char (*ptr[3])();
```
D.
```
char (*ptr)[3];
```

Correct Answer:

char (*ptr)[3];

9. What do the following declaration signify?
```
void (*cmp)();
```
Options
A. cmp is a pointer to an void function type.
B. cmp is a void type pointer function.
C. cmp is a function that return a void pointer.
D. cmp is a pointer to a function which returns void .

10. What do the following declaration signify?
```
int *ptr[30];
```
Options
A. ptr is a pointer to an array of 30 integer pointers.
B. ptr is a array of 30 pointers to integers.
C. ptr is a array of 30 integer pointers.
D. ptr is a array 30 pointers.

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