Goto statement in C Program

goto Statement 

The goto statement is used to alter the normal sequence of a C program.

The switch statement is often faster than nested if...else (not always). Also, the syntax of switch statement is cleaner and easy to understand.

The syntax of goto Statement:

goto label;

... .. ...

... .. ...

... .. ...

label:

statement;

The label is an identifier. When goto statement is encountered, control of the program jumps to label: and starts executing the code.

Example :

#include <stdio.h>

void main()

{

    int number;

    printf("Enter an integer number: ");

    scanf("%d",&number);

    if(number<=0)

        goto end;

    printf("Number is : %d", number);

    end:

        printf("Bye Bye !!!");

}

First run:

        Enter an integer number: 123

        Number is : 123

        Bye Bye !!!

Second run:

        Enter an integer number: 0

        Bye Bye !!!