C Examples C Real-Life Examples C Exercises C Quiz C Compiler C Syllabus C Study Plan C Certificate C Examples ❮ Previous Next ❯ SyntaxCreate a simple "Hello World" program Syntax Explained Output/PrintUse printf to print text Using many printf functions Insert a new line with \n ...
You can pass data, known as parameters, into a function. Functions are used to perform certain actions, and they are important for reusing code: Define the code once, and use it many times. Predefined Functions So it turns out you already know what a function is. You have been using it...
You can also use a default parameter value, by using the equals sign (=). If we call the function without an argument, it uses the default value ("Norway"):Example void myFunction(string country = "Norway") { cout << country << "\n";} int main() { myFunction("Sweden"); my...
Create a timestamp using the mktime() function: struct tm datetime; time_t timestamp; datetime.tm_year = 2023 - 1900; // Number of years since 1900 datetime.tm_mon = 12 - 1; // Number of months since January datetime.tm_mday = 17; datetime.tm_hour = 12; datetime.tm_min = 30...
To demonstrate a practical example of using functions, let's create a program that converts a value from fahrenheit to celsius:Example // Function to convert Fahrenheit to Celsiusfloat toCelsius(float fahrenheit) { return (5.0 / 9.0) * (fahrenheit - 32.0);}int main() { // Set a ...