Return Statement in C

• retun statement is also a jump statement.
• The return statement terminates the execution of a function and returns control to the calling function.
• The return statement terminates the execution of a function and returns control to the calling function.

Syntax

           return expression;

• The value of expression is present, it will return to the calling function.
• If expression is omitted, the return value of the function is undefined. 
• If no return statement appears in a function definition, control automatically returns to the calling function after the last statement of the called function is executed.
• The return statement in the main function terminates the program.

Example

     #include<stdio.h>
     main(){
       int a=10;
       int b=20;
       return(a+b);
     }