for

for (init; condition; increment)
{
    // statements
}

Description
Executes the enclosed block of statements in a loop controlled by three expressions:
- init: Executed once before the loop begins. Typically used to initialize a counter variable.
- condition: Evaluated before each iteration. If true, the body executes. If false, the loop terminates.
- increment: Executed after each iteration of the body. Typically used to update the counter.

All three parts are optional:
- for(;;) creates an infinite loop (equivalent to while(true)).
- Omitting the condition is treated as always true.
The break keyword can be used inside the loop body to exit the loop prematurely.

Special Keywords
- break - Exits the for loop immediately, regardless of the condition.

Example
void main()
{
    // Basic counting loop
    for (int i = 0; i < 5; i++)
    {
        Print(i);
    }
    // Output: 0, 1, 2, 3, 4

    // Prefix increment
    for (int i = 0; i < 5; ++i)
    {
        Print(i);
    }
    // Output: 0, 1, 2, 3, 4

    // Infinite loop with break
    int x = 0;
    for (;;)
    {
        if (x == 3)
        {
            break;
        }
        Print(x);
        x++;
    }
    // Output: 0, 1, 2

    // Sum calculation
    int sum = 0;
    for (int i = 1; i <= 10; i++)
    {
        sum += i;
    }
    // sum == 55

    // Decrement loop
    for (int i = 10; i > 0; i--)
    {
        Print(i);
    }
    // Output: 10, 9, 8, ..., 1
}