OpenBSD build bits

An issue still remains with fetch-Lua in the top Makefile.

include/unixconf.h

@@ -331,14 +331,16 @@
 #include <sys/wait.h>
 #endif
 
-#if defined(__NetBSD__)
+#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #define tparm2(s, x)	tparm(s,x,0,0,0,0,0,0,0,0)
 #else
 #define tparm2(s, x)	tparm(s,x)
 #endif
 
 #if defined(BSD) || defined(ULTRIX)
-#if !defined(DGUX) && !defined(SUNOS4) && !defined(__NetBSD__) && !defined(__FreeBSD__)
+#if !defined(DGUX) && !defined(SUNOS4) \
+	&& !defined(__NetBSD__) && !defined(__FreeBSD__) \
+	&& !defined(__OpenBSD__)
 #define memcpy(d, s, n) bcopy(s, d, n)
 #define memcmp(s1, s2, n) bcmp(s2, s1, n)
 #endif

win/tty/termcap.c

@@ -894,7 +894,8 @@ cl_eos(void) /* free after Robert Viduya */
 
 #include <curses.h>
 
-#if !defined(LINUX) && !defined(__FreeBSD__) && !defined(NOTPARMDECL)
+#if !defined(LINUX) && !defined(__FreeBSD__) && !defined(__OpenBSD__) \
+	&& !defined(NOTPARMDECL)
 extern char *tparm();
 #endif