The sizeof operator is used to determine the length of its operand (in bytes). The operand must be a type or an object of a type (a variable). The operator is a constant expression and therefore executes at compile time. As such there is no runtime overhead in repeated use of the sizeof operator.
There are no commands in C-programming, you should use function sqrt from math.h
Programming, mainly.
c++
In computer-programming.
No, it is a programming language.
For is it programming used.
C is a programming language, and it's mostly used for Systems Programming. Most kernels these days have at least some C code in them.
#include<stdio.h>
no
:: operator can not be used in C.
C++ doesn't use a framework; it is a general purpose, object oriented programming language derived from the C programming language. Specific implementations, such as Microsoft Visual C++, make use of frameworks.
There are two programming languages which use a C switch statement. The two languages are C and C++, hence the name C switch statement. There may be more, but those are the most obvious ones