#else
#if defined (HAVE_LIBNCURSES) && ! defined (NCURSES_OSPEED_T)
#else
-#if defined (HAVE_TERMIOS_H) && defined (LINUX)
+#if defined (HAVE_TERMIOS_H) && defined (GNU_LINUX)
#include <termios.h>
#endif
#endif
break;
wait (0);
#else /* neither BSD_SYSTEM nor UNIPLUS: random sysV */
-#ifdef POSIX_SIGNALS /* would this work for LINUX as well? */
+#ifdef POSIX_SIGNALS /* would this work for GNU/Linux as well? */
sigblock (sigmask (SIGCHLD));
errno = 0;
if (kill (pid, 0) == -1 && errno == ESRCH)