NAME
        WriteChars -- Writes bytes to the the default output (buffered) (V36)

   SYNOPSIS
        count = WriteChars(buf, buflen)
        D0                 D1   D2

        long writechars(strptr, long)

   FUNCTION
        This routine writes a number of bytes to the default output.  The
        length is returned.  This routine is buffered.

   INPUTS
        buf    - buffer of characters to write
        buflen - number of characters to write

   RESULT
        count - Number of bytes written.  -1 (EOF) indicates an error

   SEE ALSO
        fputs(), fputc(), fwrite(), putstr()