Be consistent about functions being static.

Spotted by:	FlexeLint

sys/net/bsd_comp.c

@@ -468,7 +468,7 @@ bsd_decomp_init(state, options, opt_len, unit, hdrlen, mru, debug)
  *	One change from the BSD compress command is that when the
  *	code size expands, we do not output a bunch of padding.
  */
-int					/* new slen */
+static int					/* new slen */
 bsd_compress(state, mret, mp, slen, maxolen)
     void *state;
     struct mbuf **mret;		/* return compressed mbuf chain here */
@@ -815,7 +815,7 @@ bsd_incomp(state, dmsg)
  * bug, so we return DECOMP_FATALERROR for them in order to turn off
  * compression, even though they are detected by inspecting the input.
  */
-int
+static int
 bsd_decompress(state, cmp, dmpp)
     void *state;
     struct mbuf *cmp, **dmpp;

sys/net/if_arcsubr.c

@@ -353,7 +353,7 @@ arc_frag_next(ifp)
  * NULL. frees imcoming mbuf as necessary.
  */
 
-__inline struct mbuf *
+static __inline struct mbuf *
 arc_defrag(ifp, m)
 	struct ifnet *ifp;
 	struct mbuf *m;

sys/net/if_sl.c

@@ -379,7 +379,7 @@ slopen(dev, tp)
 	return (0);
 }
 
-void
+static void
 sldestroy(struct sl_softc *sc)
 {
 	bpfdetach(&sc->sc_if);

sys/net/if_spppsubr.c

@@ -2075,7 +2075,7 @@ sppp_to_event(const struct cp *cp, struct sppp *sp)
  * Change the state of a control protocol in the state automaton.
  * Takes care of starting/stopping the restart timer.
  */
-void
+static void
 sppp_cp_change_state(const struct cp *cp, struct sppp *sp, int newstate)
 {
 	sp->state[cp->protoidx] = newstate;
@@ -3876,7 +3876,7 @@ static void sppp_ipv6cp_scr(struct sppp *sp)
 /*
  * Handle incoming CHAP packets.
  */
-void
+static void
 sppp_chap_input(struct sppp *sp, struct mbuf *m)
 {
 	STDDCL;

sys/net/if_tap.c

@@ -535,7 +535,7 @@ tapifinit(xtp)
  *
  * Process an ioctl request on network interface
  */
-int
+static int
 tapifioctl(ifp, cmd, data)
 	struct ifnet	*ifp;
 	u_long		 cmd;

sys/net/ppp_deflate.c

@@ -118,7 +118,7 @@ struct compressor ppp_deflate_draft = {
 /*
  * Space allocation and freeing routines for use by zlib routines.
  */
-void *
+static void *
 z_alloc(notused, items, size)
     void *notused;
     u_int items, size;
@@ -129,7 +129,7 @@ z_alloc(notused, items, size)
     return ptr;
 }
 
-void
+static void
 z_free(notused, ptr)
     void *notused;
     void *ptr;
@@ -223,7 +223,7 @@ z_comp_reset(arg)
     deflateReset(&state->strm);
 }
 
-int
+static int
 z_compress(arg, mret, mp, orig_len, maxolen)
     void *arg;
     struct mbuf **mret;		/* compressed packet (out) */
@@ -469,7 +469,7 @@ z_decomp_reset(arg)
  * bug, so we return DECOMP_FATALERROR for them in order to turn off
  * compression, even though they are detected by inspecting the input.
  */
-int
+static int
 z_decompress(arg, mi, mop)
     void *arg;
     struct mbuf *mi, **mop;

sys/net/ppp_tty.c

@@ -752,7 +752,7 @@ pppasyncctlp(sc)
  * called later at splsoftnet.
  * Called at spltty or higher.
  */
-int
+static int
 pppstart(tp)
     register struct tty *tp;
 {