More GPL vs LGPL fixes (sysdeps/getpagesize.c), and some header

cleanups.
 -Erik

Makefile

@@ -1,4 +1,4 @@
-DIRS = headers error gtermcap misc stdio2 time getent regexp string termios sysdeps \
+DIRS = headers error misc stdio2 time getent regexp string termios sysdeps \
 malloc-simple net rpc
 
 all: libc.a
@@ -17,9 +17,6 @@ headers: dummy
 error: dummy
 	make -C error
 
-gtermcap: dummy
-	make -C gtermcap
-
 misc: dummy
 	make -C misc
 

include/sys/param.h

@@ -22,6 +22,9 @@
 #define NR_FILE 32
 #endif
 
+/* Number of Bits per BYte */
+#define NBBY		CHAR_BIT
+
 /* Bit map related macros.  */
 #define        setbit(a,i)     ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
 #define        clrbit(a,i)     ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))