1 files changed, 15 insertions, 13 deletions

diff --git a/troff/troff.d/ta.c b/troff/troff.d/ta.c
index c3e9d92b4197..a31953f62a4e 100644
--- a/troff/troff.d/ta.c
+++ b/troff/troff.d/ta.c
@@ -112,7 +112,7 @@ x ...\n	device control functions:
 #define	NFONT	10
 
 int	output	= 0;	/* do we do output at all? */
-int	nolist	= 0;	/* output page list if > 0 */
+size_t	nolist	= 0;	/* output page list if > 0 */
 int	olist[20];	/* pairs of page numbers */
 
 int	erase	= 1;
@@ -243,7 +243,8 @@ main(int argc, char **argv)
 void
 outlist(char *s)	/* process list of page numbers to be printed */
 {
-	int n1, n2, i;
+	int n1, n2;
+	size_t i;
 
 	nolist = 0;
 	while (*s && nolist < sizeof olist/sizeof *olist - 1) {
@@ -279,7 +280,7 @@ outlist(char *s)	/* process list of page numbers to be printed */
 int
 in_olist(int n)	/* is n in olist? */
 {
-	int i;
+	size_t i;
 
 	if (nolist == 0)
 		return(1);	/* everything is included */
@@ -464,17 +465,17 @@ fileinit(void)	/* read in font and code files, etc. */
 }
 
 void
-fontprint(int i)	/* debugging print of font i (0,...) */
+fontprint(int i __unused)	/* debugging print of font i (0,...) */
 {
 }
 
 void
-loadcode(int n, int nw)	/* load codetab on position n (0...); #chars is nw */
+loadcode(int n __unused, int nw __unused)	/* load codetab on position n (0...); #chars is nw */
 {
 }
 
 void
-loadfont(int n, char *s)	/* load font info for font s on position n (1...) */
+loadfont(int n __unused, char *s __unused)	/* load font info for font s on position n (1...) */
 {
 }
 
@@ -518,7 +519,7 @@ int	drawdot	= '.';	/* draw with this character */
 int	drawsize = 1;	/* shrink by this factor when drawing */
 
 void
-t_init(int reinit)	/* initialize device */
+t_init(int reinit __unused)	/* initialize device */
 {
 	fflush(stdout);
 	hpos = vpos = 0;
@@ -686,13 +687,13 @@ t_newline(void)	/* do whatever for the end of a line */
 }
 
 int
-t_size(int n)	/* convert integer to internal size number*/
+t_size(int n __unused)	/* convert integer to internal size number*/
 {
 	return 0;
 }
 
 int
-t_font(char *s)	/* convert string to internal font number */
+t_font(char *s __unused)	/* convert string to internal font number */
 {
 	return 0;
 }
@@ -807,17 +808,17 @@ put1(int c)	/* output char c */
 }
 
 void
-setsize(double n)	/* set point size to n (internal) */
+setsize(double n __unused)	/* set point size to n (internal) */
 {
 }
 
 void
-t_fp(int n, char *s)	/* font position n now contains font s */
+t_fp(int n __unused, char *s __unused)	/* font position n now contains font s */
 {
 }
 
 void
-setfont(int n)	/* set font to n */
+setfont(int n __unused)	/* set font to n */
 {
 }
 
@@ -870,7 +871,8 @@ char *spectab[] ={
 static int
 sget(char *buf, size_t size, FILE *fp)
 {
-	int	c, n = 0;
+	int	c;
+	size_t	n = 0;
 
 	do
 		c = getc(fp);