Miscellaneous operators in C include the sizeof, & (address-of), * (pointer-to), and the ternary conditional ?: operator. Let’s explore each one in detail:

1. sizeof Operator:

Definition:

The sizeof operator is used to determine the size, in bytes, of a variable or a data type.

Example:

#include <stdio.h>

int main() {
int a;
double b;

printf(“Size of int: %zu bytesn”, sizeof(a));
printf(“Size of double: %zu bytesn”, sizeof(b));

return 0;
}

Output:

Size of int: 4 bytes
Size of double: 8 bytes

2. & (Address-of) Operator:

Definition:

The & operator is used to obtain the address of a variable.

Example:

#include <stdio.h>

int main() {
int num = 42;

printf(“Value: %dn”, num);
printf(“Address: %pn”, (void*)&num);

return 0;
}

Output:

Value: 42
Address: 0x7ffc7fe8a0dc (the actual address may vary)

3. * (Pointer-to) Operator:

Definition:

The * operator is used to declare a pointer or dereference a pointer to access the value at the memory address it points to.

Example:

#include <stdio.h>

int main() {
int num = 42;
int *ptr = &num;

printf(“Value: %dn”, *ptr);

return 0;
}

Output:

Value: 42

4. Ternary Conditional ?: Operator:

Definition:

The ternary conditional operator is a shorthand way to express an if-else statement. It evaluates a condition and returns one of two values based on whether the condition is true or false.

Example:

#include <stdio.h>

int main() {
int a = 5, b = 8;
int max = (a > b) ? a : b;

printf(“Maximum: %dn”, max);

return 0;
}

Output:

Maximum: 8

In the example above, the expression (a > b) ? a : b checks if a is greater than b. If true, it returns a; otherwise, it returns b.

These miscellaneous operators are crucial in C programming and are frequently used for various purposes, including memory manipulation and conditional expressions.