Can we write printf inside if condition?

The expression within if( expression ) is always evaluated, and in your case that’s a call to printf . The value of this expression is used to determine if the body (blank in your case) of the if is run. printf() function return the number of characters that are printed.

Can we add printf and a variable?

Using printf function, we can print the value of a variable. In order to print the variable value, we must instruct the printf function the following details, 1. specify the format of variable.

Does printf return a value?

printf returns an integer value, which is the total number of printed characters. For example: if you are printing “Hello” using printf, printf will return 5.

Can we use printf () apart from just printing values if yes then where?

The printf function of C can do a lot more than just printing the values of variables. We can also format our printing with the printf function. We will first see some of the format specifiers and special characters and then start the examples of formatted printing.

How many arguments can printf take?

Printf can take as many arguments as you want. In the man page you can see a at the end, which stands for a var args. If you got 96 times \%s in your first argument, you’ll have 97 arguments (The first string + the 96 replaced strings 😉 ) printf can take any number of inputs.

Can python print a variable?

Python print variables: While printing strings, it is common to print a variable’s values inside it. A common example is you might want to print the first and last name in a sentence and these values are stored in two variables respectively.

What is inside the printf function?

Input/Output The printf() function sends a formatted string to the standard output (the display). This string can display formatted variables and special control characters, such as new lines (‘\n’), backspaces (‘\b’) and tabspaces (‘\t’); these are listed in Table 2.1.

Can we use printf() statement inside an IF() condition in C?

Yes, definitely we can use printf () statement inside an if () condition. int printf ( const char * format, ); printf () statement returns the count of number of characters written on to the console which is of integer type.

Can printf be part of an expression?

Yes. Although it’s rather special in some ways, printfis just another function. And a function call can be part of an expression. And the arguments you pass to functions are themselves expressions. An expression is anything you can compute.

Can I use printf() function in another function?

Yes because printf returns a value so you could test the return value for an expected result. As long as a function returns a value, you can use any function in another (if, while, for, etc.) MS in Data Science Online—Become a Data Scientist.

What are the arguments to printf()?

But when you call printf, what it expects to see for arguments is printf(expression, expression, expression.) Now, in printf’scase, that first expression must be a string, and it’s virtually always a constant string. But the remaining arguments can be anything: 1, i, i + 1, func(1), or just about anything: