Function            whereh - X-coordinate of cursor

  Syntax              int whereh(void);

  Prototype in        video.h

  Remarks             returns the X-coordinate (column) of the cursor's
                      current location via INT 0x10, Service 3.

  Return value        returns the X-coordinate of the cursor's current
                      location.

  See also            gotohv(), read_cursor(), wherev()

  Example             #include <video.h>

                      main()
                      {
                           printf("Cursor's column = %d\n",whereh());
                      }

  Program output      Cursor's column = 12