c - why printf () plays twice? - Stack Overflow
Dec 12, 2014 · Because printf() is called twice per input. scanf("%c",&ch); leaves a newline char in the input stream which is consumed by the next call to the scanf(). – P.P
{solved} Why is the output printing twice? | Codecademy
A return statement actually doesn’t display anything in the console, but the interpreters automatically print the last statement of your code. That’s why your call is printed if you use a …
Why does the printf print twice? : r/C_Programming - Reddit
Nov 3, 2021 · Because when you enter the input, you're entering 'R\n' ('R' followed by the <enter> key). scanf () reads the 'R' into your variable, does a bunch of stuff, then when the loop …
Printf printing twice - C++ Programming
The reason is that scanf reads the input that you entered, but leaves the newline from entering the input in the input buffer. When you next call scanf with %c, it then reads that newline instead of …
c - Why does function return only one value when called multiple times ...
Apr 3, 2015 · I ran across an issue where a function that returns a character string returns incorrect values when called multiple times within a single printf . At first I thought it was due to …
Return Statement in C - GeeksforGeeks
Jan 2, 2023 · In C, we can only return a single value from the function using the return statement and we have to declare the data_type of the return value in the function definition/declaration. …
Returning more than one value from function in C
Jul 27, 2020 · But there is one limitation, a single return statement can only return one value from a function. In this chapter, we will see how to overcome this limitation by using call by …
(Beginner) Why is statement printing out twice? : r/C…
One error that you have is that you never initialize the value of the variable operator, but then you read the value of that variable in the condition of the while loop.
C Function That Returns Twice. (not even nearly similar to fork())
Feb 21, 2021 · Omitting the return statement can only safely be done in a function returning void but this function returns void*. Omitting it will cause undefined behavior which, again, means …
C Function Arguments and Function Return Values
Jan 10, 2025 · Call by value in C is where in the arguments we pass value and that value can be used in function for performing the operation. Values passed in the function are stored in …