C Returning a value from a void function Stack Overflow
6 Answers Sorted by 5 Yes your idea is wrong A void function cannot return anything The reason you can return a void is because as JohnBode mentions in the comments the language standard specifies that a pointer to void may be converted to or from any object pointer type 6 3 2 3 1
2 3 Void functions non value returning functions Learn C , A void function will automatically return to the caller at the end of the function No return statement is required A return statement with no return value can be used in a void function such a statement will cause the function to return to the caller at the point where the return statement is executed
Return From Void Functions in C GeeksforGeeks
1 A Void Function Can Return We can simply write a return statement in a void fun In fact it is considered a good practice for readability of code to write a return statement to indicate the end of the function CPP include iostream using namespace std void fun cout Hello return int main fun return 0 Output
Is it mandatory to use return and void in the functions in C , When void is used it means that there is no value that is to be returned So you wont have to return any value return is as good as returning nothing when you do not mention void in some compilers the default is taken as int therefore you will have to return something bayblade567 Mar 29 2015 at 6 03
If void does not return a value why do we use it
If void does not return a value why do we use it , To return nothing obv A function that only has side effects and does not return a computed value is perfectly legitimate John Dibling Jul 19 2012 at 13 13 In some compilers your code can crash if it expects you to return something and you don t
3 Void Function In C Programming YouTube
Functions 2 Void NonValue Returning Functions Florida State University
Functions 2 Void NonValue Returning Functions Florida State University A void function performs a task and then control returns back to the caller but it does return a value You may or may not use the return statement as there is no return value Even without the return statement control will return to the caller automatically at the end of the function
Void Main Function In C Language Code With Vibhu
A return statement can return a value to the calling function For more information see Return type Syntax jump statement return expression opt The value of expression if present is returned to the calling function If expression is omitted the return value of the function is undefined Return Statement C Microsoft Learn. A constructor a destructor or a function try block for a function with the return type possibly cv qualified void without encountering a return statement return is executed If control reaches the end of the main function return 0 is executed 8 Answers Sorted by 155 It just exits the method at that point Once return is executed the rest of the code won t be executed eg public void test int n if n 1 return else if n 2 doStuff return doOtherStuff Note that the compiler is smart enough to tell you some code cannot be reached
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