** it returns**Code:# include <stdio.h>
main()
{
int c, n1;
n1 = 0;
while (( c = getchar()) != EOF)
if ( c == '\n')
++n1;
printf("%d\n", n1);
}
% gcc while.c -o while
% while
%while: too few arguments.
however when i do this:
% gcc while.c
% a.out
the programs runs why?