C programs on searching word in given array

#include < stdio.h >
#include< conio.h >
void main()
{
   char ch;
   int blank=1,character=0,line=1;
   clrscr();
   printf("Enter the string with blanks,tabs and new line\n");
   printf("At the end put a full stop.\n");
   while(ch!='.')
   {
   /* read a character from the standard input stream */
   ch = getc(stdin);
   if(ch==' ')
   blank++;
   else if(ch=='\n')
   line++;
   else if(ch!='.')
   character++;
   }
   printf("\nWord %d\nCharacters %d\nLine %d",blank,character,line);
   getch();
}