Can we use printf in if condition?

3 Answers. 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.

What is inside 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 if and else if both be true?

Use two if statements if both if statement conditions could be true at the same time. In this example, both conditions can be true. You can pass and do great at the same time. Use an if/else statement if the two conditions are mutually exclusive meaning if one condition is true the other condition must be false.

How many times program is printed if printf program )) printf program?

Hint: Here while loop is evaluated as while(0) because it has post increment operator. And since while(0) is terminated by ; so printf() will not be part of it and hence it is printed 1 time.

Can main be called inside printf?

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

Can we write Scanf inside printf?

scanf() reads the values supplied from standard input and return number of values successfully read from standard input (keyboard). In C, printf() returns the number of characters successfully written on the output and scanf() returns number of items successfully read.

Can you call a function inside printf?

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.

What is the result of inner printf in C?

Firstly Inner printf is executed which results in printing 1324  This Printf Returns total number of Digits i.e  4 and second inner printf will looks like [crayon-5f813589b708d500804411/] It prints 4 and Returns the total number of digits i.e 1 (4 is […] Home C Programming 200+ C Programs C Programming : MCQ C++ Java Table of Content

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:

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.