/* copy3.c: copy line-by-line
 */
#include <stdio.h>
int main(void) {
   char ch;
   int linenum = 0;
   while ((ch = getchar()) != EOF) {
      printf("Line %2i:", ++linenum);
      while (ch != '\n' && ch != EOF) {
         putchar(ch);
         ch = getchar();
      }
      if (ch == EOF) break; /* in case no newline at end */
      putchar(ch); /* write the newline */
   }
}