Fix up some trivial gcc -Wall warnings

Lots more to go.

ansi.c

@@ -253,7 +253,7 @@ int f, n;			/* default flag, numeric argument [unused] */
 }
 #endif
 #else
-ansihello()
+static void ansihello(void)
 {
 }
 #endif

basic.c

@@ -243,8 +243,8 @@ int gotobop(int f, int n)
 #if	PKCODE
 			    ((justflag == TRUE) ||
 #endif
-			     lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
-			     lgetc(curwp->w_dotp, curwp->w_doto) != ' ')
+			     (lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
+			      lgetc(curwp->w_dotp, curwp->w_doto) != ' '))
 #if	PKCODE
 			    )
 #endif
@@ -292,8 +292,8 @@ int gotoeop(int f, int n)
 #if	PKCODE
 			    ((justflag == TRUE) ||
 #endif
-			     lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
-			     lgetc(curwp->w_dotp, curwp->w_doto) != ' ')
+			     (lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
+			      lgetc(curwp->w_dotp, curwp->w_doto) != ' '))
 #if	PKCODE
 			    )
 #endif

edef.h

@@ -135,7 +135,7 @@ WINDOW *wheadp;			/* Head of list of windows      */
 BUFFER *bheadp;			/* Head of list of buffers      */
 BUFFER *blistp;			/* Buffer for C-X C-B           */
 
-BUFFER *bfind();		/* Lookup a buffer by name      */
+BUFFER *bfind(char *bname, int cflag, int bflag);	/* Lookup a buffer by name      */
 WINDOW *wpopup();		/* Pop up window creation       */
 LINE *lalloc();			/* Allocate a line              */
 char sres[NBUFN];		/* current screen resolution    */

estruct.h

@@ -687,7 +687,7 @@ typedef struct WHBLOCK {
 #define	EOL		6
 #define	DITTO		7
 #define	CLOSURE		256	/* An or-able value. */
-#define	MASKCL		CLOSURE - 1
+#define	MASKCL		(CLOSURE - 1)
 
 #define	MC_ANY		'.'	/* 'Any' character (except newline). */
 #define	MC_CCL		'['	/* Character class. */

posix.c

@@ -15,22 +15,23 @@
 #include <stdio.h>
 #include "estruct.h"
 #include "edef.h"
+#include "efunc.h"
 
 #include <signal.h>
 #include <termios.h>
 #include <fcntl.h>
 #include <errno.h>
 
-int kbdflgs;			/* saved keyboard fd flags      */
-int kbdpoll;			/* in O_NDELAY mode                     */
-int kbdqp;			/* there is a char in kbdq      */
-char kbdq;			/* char we've already read      */
+static int kbdflgs;			/* saved keyboard fd flags      */
+static int kbdpoll;			/* in O_NDELAY mode                     */
+static int kbdqp;			/* there is a char in kbdq      */
+static char kbdq;			/* char we've already read      */
 
-struct termios otermios;	/* original terminal characteristics */
-struct termios ntermios;	/* charactoristics to use inside */
+static struct termios otermios;		/* original terminal characteristics */
+static struct termios ntermios;		/* charactoristics to use inside */
 
 #define TBUFSIZ 128
-char tobuf[TBUFSIZ];		/* terminal output buffer */
+static char tobuf[TBUFSIZ];		/* terminal output buffer */
 
 
 /*

search.c

@@ -442,21 +442,23 @@ static int amatch(MC *mcptr, int direct, LINE **pcwline, int *pcwoff)
 			 * notion that the meta-character '$' (and likewise
 			 * '^') match positions, not characters.
 			 */
-			if (mcptr->mc_type == BOL)
+			if (mcptr->mc_type == BOL) {
 				if (curoff == llength(curline)) {
 					c = nextch(&curline, &curoff,
 						   direct ^ REVERSE);
 					goto success;
 				} else
 					return FALSE;
+			}
 
-			if (mcptr->mc_type == EOL)
+			if (mcptr->mc_type == EOL) {
 				if (curoff == 0) {
 					c = nextch(&curline, &curoff,
 						   direct ^ REVERSE);
 					goto success;
 				} else
 					return FALSE;
+			}
 
 			/* Neither BOL nor EOL, so go through
 			 * the meta-character equal function.
@@ -1278,6 +1280,7 @@ static int rmcstr(void)
 	}
 
 	rmcptr->mc_type = MCNIL;
+	return status;
 }
 
 /*

tcap.c

@@ -266,7 +266,6 @@ static void tcapeeop(void)
  */
 static void tcaprev(int state)
 {
-	static int revstate = FALSE;
 	if (state) {
 		if (SO != NULL)
 			putpad(SO);

vmsvt.c

@@ -518,7 +518,7 @@ spal()
  *
  *  Nothing returned
  ***/
-hellovms()
+static void hellovms(void)
 {
 }
 

vt52.c

@@ -178,7 +178,7 @@ int f, n;			/* default flag, numeric argument [unused] */
 #endif
 #else
 
-vt52hello()
+static void vt52hello(void)
 {
 }
 

word.c

@@ -653,15 +653,6 @@ int wordcount(int f, int n)
 	int status;		/* status return code */
 	REGION region;		/* region to look at */
 
-#if	PKCODE
-	struct {
-		long pk_1;
-		long pk_2;
-		int pk_3;
-		int pk_4;
-	} pk_mlrec;
-#endif
-
 	/* make sure we have a region to count */
 	if ((status = getregion(&region)) != TRUE)
 		return (status);