The increment operator ++ increases the value of an operand by 1. It can be used as a prefix or postfix operator.

#include <stdio.h>

int main()
{
    int number = 5;

    number++;

    printf("number = %d\n", number);

    return 0;
}

Example Output #

number = 6

Explanation #

The increment operator is applied to number:

number++;

This increases its value from 5 to 6.

The increment operator can be written in two forms:

++number;
number++;

Both forms increase the operand by 1. The difference between prefix and postfix forms becomes relevant when the increment operation is part of a larger expression.