Use gcc -ansi -pedantic in 9c. Fix many non-C89-isms.

src/cmd/draw/crop.c

@@ -9,7 +9,7 @@ enum
 	Inset,	/* move border in or out uniformly */
 	Insetxy,	/* move border in or out; different parameters for x and y */
 	Set,		/* set rectangle to absolute values */
-	Blank,	/* cut off blank region according to color value */
+	Blank	/* cut off blank region according to color value */
 			/* Blank is not actually set as a mode; it can be combined with others */
 };
 

src/cmd/draw/gview.c

@@ -13,7 +13,7 @@
 enum {
 	But1	= Button_bit(1),/* mouse buttons for events */
 	But2	= Button_bit(2),
-	But3	= Button_bit(3),
+	But3	= Button_bit(3)
 };
 int cantmv = 1;			/* disallow rotate and move? 0..1 */
 int top_border, bot_border, lft_border, rt_border;
@@ -911,7 +911,7 @@ double out_length(const fpoint* p0, const fpoint* pn, frectangle r, double slope
 #define Len_thous  30			/* bound on strlen(thous_nam[i]) */
 char* thous_nam[Nthous] = {
 	"one", "thousand", "million", "billion",
-	"trillion", "quadrillion", "quintillion",
+	"trillion", "quadrillion", "quintillion"
 };
 
 
@@ -1966,6 +1966,8 @@ void usage(void)
 "Read a polygonal line graph in an ASCII format (one x y pair per line, delimited\n"
 "by spaces with a label after each polyline), and view it interactively.  Use\n"
 "standard input if no infile is specified.\n"
+	);
+	fprintf(stderr,
 "Option -l specifies a file in which to log the coordinates of each point selected.\n"
 "(Clicking a point with button one selects it and displays its coordinates and\n"
 "the label of its polylone.)  Option -m allows polylines to be moved and rotated.\n"

src/cmd/draw/stats.c

@@ -23,7 +23,7 @@ enum
 	Lx		= 4,	/* label tick length */
 
 	STACK	= 8192,
-	XSTACK	= 32768,
+	XSTACK	= 32768
 };
 
 enum
@@ -45,7 +45,7 @@ enum
 	Vsys,
 	Vsyscall,
 	Vuser,
-	Nvalue,
+	Nvalue
 };
 
 char*
@@ -67,7 +67,7 @@ labels[Nvalue] =
 	"swap",
 	"sys",
 	"syscall",
-	"user",
+	"user"
 };	
 
 struct Graph
@@ -527,7 +527,7 @@ resize(void)
 	for(x=startx, i=0; i<nmach; i++,x+=dx){
 		draw(screen, Rect(x-1, starty-1, x, screen->r.max.y), display->black, nil, ZP);
 		j = dx/stringwidth(mediumfont, "0");
-	//	n = mach[i].nproc;
+	/*	n = mach[i].nproc; */
 		n = 1;
 		if(n>1 && j>=1+3+(n>10)+(n>100)){	/* first char of name + (n) */
 			j -= 3+(n>10)+(n>100);

src/cmd/draw/tcolors.c

@@ -7,7 +7,7 @@
 
 enum
 {
-	STACK = 8192,
+	STACK = 8192
 };
 
 int nbit, npix;

src/cmd/draw/tweak.c

@@ -30,7 +30,7 @@ enum
 	Up		= 1,
 	Down	= 0,
 	Mag		= 4,
-	Maxmag	= 10,
+	Maxmag	= 10
 };
 
 enum
@@ -49,12 +49,12 @@ enum
 	Mchar,
 	Mpixels,
 	Mclose,
-	Mexit,
+	Mexit
 };
 
 enum
 {
-	Blue	= 54,
+	Blue	= 54
 };
 
 char	*menu3str[] = {
@@ -66,7 +66,7 @@ char	*menu3str[] = {
 	"pixels",
 	"close",
 	"exit",
-	0,
+	0
 };
 
 Menu	menu3 = {