Compiler Design Program

/******************************************************************************

Write a C program to identify whether a given line is a comment or not.

*******************************************************************************/

#include<stdio.h>

#include<conio.h>

void main()

{

    char com[30];

    int i=2,a=0;

    clrscr();

    printf("\n Enter comment:");

    gets(com);

    if(com[0]=='/')

    {

        if(com[1]=='/')

    printf("\n It is a comment");

    else if(com[1]=='*')

    {

        for(i=2;i<=30;i++)

        {

            if(com[i]=='*'&&com[i+1]=='/')

            {

                printf("\n It is a comment");

                a=1;

                break;

               

            } else continue;

           

        }

        if(a==0)

        printf("\n It is not a comment");

       

    } else printf("\n It is not a comment");

       

    } else printf("\n It is not a comment");

    getch();

   

}