CONVERSION OF BINARY TO DECIMAL in c programming language

void main()

{

long int no,n=0,j=1,rem,no1;

clrscr();

printf("Enter any number any binary form->");

scanf("%ld",&no);

no1=no;

while(no!=0)

{

rem=no%10;

n=n+rem*j;

j=j*2;

no=no/10;

}

printf("\nThe value of binary no. %ld is ->%ld",no1,n);

getch();

}