Add static keywords to variables and functions where possible in games/.

This allows us to detect unused functions and variables and allows the
compiler to do a better job at optimisation.

1 files changed, 18 insertions, 17 deletions

diff --git a/games/grdc/grdc.c b/games/grdc/grdc.c
index 6881cf1..4632c79 100644
--- a/games/grdc/grdc.c
+++ b/games/grdc/grdc.c
@@ -26,29 +26,30 @@
 #define XLENGTH 58
 #define YDEPTH  7
 
-struct timespec now;
-struct tm *tm;
+static struct timespec now;
+static struct tm *tm;
 
-short disp[11] = {
+static short disp[11] = {
 	075557, 011111, 071747, 071717, 055711,
 	074717, 074757, 071111, 075757, 075717, 002020
 };
-long old[6], next[6], new[6], mask;
+static long old[6], next[6], new[6], mask;
 
-volatile sig_atomic_t sigtermed;
+static volatile sig_atomic_t sigtermed;
 
-int hascolor = 0;
+static int hascolor = 0;
 
-void set(int, int);
-void standt(int);
-void movto(int, int);
-void sighndl(int);
-void usage(void);
+static void set(int, int);
+static void standt(int);
+static void movto(int, int);
+static void sighndl(int);
+static void usage(void);
 
-void
+static void
 sighndl(int signo)
 {
-	sigtermed=signo;
+
+	sigtermed = signo;
 }
 
 int
@@ -225,7 +226,7 @@ main(int argc, char *argv[])
 	return(0);
 }
 
-void
+static void
 set(int t, int n)
 {
 	int i, m;
@@ -239,7 +240,7 @@ set(int t, int n)
 		mask |= m;
 }
 
-void
+static void
 standt(int on)
 {
 	if (on) {
@@ -257,13 +258,13 @@ standt(int on)
 	}
 }
 
-void
+static void
 movto(int line, int col)
 {
 	move(line, col);
 }
 
-void
+static void
 usage(void)
 {