+\f
+/* Code that interfaces to ncurses. This must be at the very end
+ of this file because curses.h redefines "bool" on some systems
+ (e.g. OpenBSD), causing declaration mismatches with functions
+ that have parameters or return values of type "bool". */
+#if HAVE_LIBNCURSES
+#include <curses.h>
+#include <term.h>
+
+static void
+get_termcap_viewport (void)
+{
+ char term_buffer[16384];
+ if (getenv ("TERM") == NULL)
+ return;
+ else if (tgetent (term_buffer, getenv ("TERM")) <= 0)
+ {
+ error (0,0, _("could not access definition for terminal `%s'"),
+ getenv ("TERM"));
+ return;
+ }
+
+ if (tgetnum ("li") > 0)
+ viewlength = tgetnum ("li");
+
+ if (tgetnum ("co") > 1)
+ viewwidth = tgetnum ("co") - 1;
+}
+#else /* !HAVE_LIBNCURSES */
+static void
+get_termcap_viewport (void)
+{
+ /* Nothing to do. */
+}
+#endif /* !HAVE_LIBNCURSES */