&nbsp;Which of the following is the correct syntax to declare a pointer in C?

<pre class="language-c"><code>int a = 5;
printf("%d", a++);
</code></pre>

Which function is used to allocate memory dynamically in C?

Which keyword is used to prevent modification of a variable?

What is the default return type of a function in C if not specified?

Write a C program to check whether a number is even or odd.

Explain the difference between <code data-start="2203" data-end="2218">call by value</code> and <code data-start="2223" data-end="2242">call by reference</code> in C.

What are the differences between <code data-start="2659" data-end="2666">while</code> and <code data-start="2671" data-end="2681">do-while</code> loops in C?

Write a function in C to find the factorial of a number using recursion.

What is a structure in C? Write a simple structure example.