Tag: C interview questions

A pointer is said to be opaque if the definition of the type to which it points to is not

The segmentation fault is a programming error, means the program is trying to access an invalid memory location or memory

Suppose we have dynamically allocate a chunk of memory and forgot to de allocate it, means the program allocates some

Local variable gets memory in stack and dynamically allocated memory for pointer variable gets space in heap. Explain memory mapping.

Is below statement is correct? int value = 20; int arr[value]; Compiler will through error like Constant expression required while

exit() is used to exit our program and return control to the operating system and return() is used to return

For reversing each odd bits of a given number, simply do XOR  ’^’ each of its 4 hex parts with

The simplest way is, use bitwise ‘&’ operator on each bit of number by shifting right one by one and

There are many methods to check a particular bit is set or not. Method 1: Suppose I want to check

To know the answer please click on this link C Storage class.