Code Question

[Hemerson]

hello there, i see this code in the net where i can input a word and make it hidden, but i didnt know how did they make that code...can anyone explain this to me...thanks in advance...

 

char word[100];
char c;
int x=0;

printf("enter a word to guess: \n");
     do{
           c=getch();
           switch(c)
           {
               case '\r':
                    break;
               case '\b':
                    printf("\b \b");
                    if(x>0) --x;
                    break;
               default:
                       printf("%c", '*');
                       word[x++]=c;
                       break;
           }
        }while(c != '\r');
        word[x]='\0';

[std10093]

getch in c | Programming Simplified