output of the program

Help me out her i m new to C
i have made one program and i m not getting its output... can anybody tell me how to get it's output..herew is the sorce code

Code:

#include<stdio.h>
#include<conio.h>
void main()
{
int i=0;
char ch[25],c;
printf("enter ur name n press 0 to exit");
do{
c=getch();
ch[i]=c;
i++;
}while(c!='0');
i=i-1;
ch[i]='\0';
}

in this program i want to ask the user his/her name and enter each character the name one by one and after entering the name end the program as i have done in this program.in this program,i have used 0 to end it...problem i m getting is that everything is fine--its compiling and when i enter any character it doesnot enter anything and when i press 0 to end it,it ends,,,so tell me how i can get its output...or is ther any other way to do this .
plz suggest
thanxs
Regards Karun