Prog#148: starting position after each line

C Programming
#1 
/*
starting position after each line
Program#148
*/
#include<stdio.h>
main()
{
char a[50];
int i;
for(i=0;(a[i]=getchar())!='$';i++);
a[i]='\0';
for(i=0;a[i];i++);
{
if(a[i]=='\n')
printf("starting postion %d",i+1);
}
}