A function is a small set of instructions designed to operate on its given input (aka parameters or arguments) and perform some action or return some output. Generally in programming a commonly used strategy is to take a large program and break it into smaller chunks, which are turned into functions.
So say that you are writing a large program and constantly have to see which of two numbers is larger, you could write a function:
int larger(int a, int b)
{
if(a > b)
return a;
else
return b;
}
Now in your program, you can simply say:
int x = larger(number1, number2);
A function is a a set of instructions which reduce the length of c program.we can reduce the length of program by calling a function.
A piece of program-code.
Yes, there can be friend functions in C++.
C++ built-in functions are those functions that are provided for you as part of the language itself, and includes all of the C standard library functions (all of which were inherited from C) and is expanded upon by the C++ standard template library. C++ implementors may provide additional functions that are platform-specific, however these are not considered built-in functions becuase C++ is a cross-platform language. These are best described as 3rd party functions. The functions you yourself write are known as user-defined functions.
C programs do not function without functions.
No, because C does not support the concept of template functions. Template functions only exist in C++, never in C.
Not possible in C, only in C++
could you be clear? what kind of functions you are asking? functions available in C, C++, java ? in C you can use mod() function or "%" operator to find the parities.
Impossibility.
The header file for random functions ( like rand(), srand() ) is stdlib.h in C and cstdlib in C++.
Of course they are used. Both stand-alone and class-member functions are used in C++.
C date and time functions refer to a group of functions in the standard library of the C programming language that implements time and date operations like conversion between date formats.
You can have #include after Stdio.h ...it has so many built in mathematical functions like CIRCULAR FUNCTIONS, ABSOLUTE VALUE and more..Sadly, built-in functions and library functions are different things... there are no built-in functions in C (except for sizeof, which isn't an actual function).
char SomeFunction();This has nothing to do with menu functions. It is a straight C/C++ answer. Menu functions depend on the platform API, not on C/C++.