Quick Answer: Which Of The Following Declaration Is Illegal?

What is function declaration?

A function declaration is a statement containing a function prototype (function name, return type, the types of parameters and their order)..

What is sizeof in C?

CProgrammingServer Side Programming. The sizeof operator is the most common operator in C. It is a compile-time unary operator and used to compute the size of its operand. It returns the size of a variable. It can be applied to any data type, float type, pointer type variables.

Which of the following is not valid variable name declaration?

Which of the following is not a valid C variable name? Explanation: Since only underscore and no other special character is allowed in a variable name, it results in an error.

Which of the following declaration is illegal Mcq?

Discussion ForumQue.Which of the following declaration is illegal?b.char str[] = “Best C programming classes”;c.char str[20] = “Best C programming classes”;d.char[] str = “Best C programming classes”;Answer:char[] str = “Best C programming classes”;1 more row

Which of the following declaration is invalid in C?

signed is default in C. No need to declare it explicitly. Hence 2 would be the answer.

Which is a correct format for declaration of function?

Discussion ForumQue.Which of the following is a correct format for declaration of function?b.return-type function-name(argument type) {}c.return-type (argument type)function-name;d.all of the mentionedAnswer:return-type function-name(argument type);1 more row

What is the default return type of a function?

The default return type for c language function is integer.so your fuction is taken by the compiler as returning and integer and about the void main() you cannot return a value form a function which is having a void type that’s why you compiler is showing warning and is ignoring the return statement of your main.

What are the 4 types of functions?

There can be 4 different types of user-defined functions, they are:Function with no arguments and no return value.Function with no arguments and a return value.Function with arguments and no return value.Function with arguments and a return value.

What is declaration and definition in C?

i.e., declaration gives details about the properties of a variable. Whereas, Definition of a variable says where the variable gets stored. i.e., memory for the variable is allocated during the definition of the variable. In C language definition and declaration for a variable takes place at the same time.

What are the disadvantages of array Mcq?

What are the disadvantages of arrays? Explanation: Arrays are of fixed size. If we insert elements less than the allocated size, unoccupied positions can’t be used again. Wastage will occur in memory.

Which of the following function declaration is illegal?

Explanation: The Function name must start with the alphabet and in the given question all the function start with the digit which indicate the illegal function name convention. Declaration of any function syntax is given below.

Which is the most appropriate definition for recursion?

Which is the most appropriate definition for recursion? Explanation: The appropriate definition for a recursive function is a function execution instance that calls another execution instance of the same function either directly or indirectly.