$NetBSD: patch-af,v 1.3 2011/10/01 21:42:16 dholland Exp $

Use standard C.

--- demo/playvt.c.orig	1997-11-01 06:49:36.000000000 +0000
+++ demo/playvt.c
@@ -30,7 +30,7 @@
  *
  */
 
-static char *id =
+const char id[] =
 	"@(#)playvt.c, 1.00, Last Edit-Date: [Sun Jan  1 18:32:22 1995]";
 
 /*---------------------------------------------------------------------------*
@@ -42,22 +42,21 @@ static char *id =
  *---------------------------------------------------------------------------*/
 	
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
+#include <stdlib.h>
+#include <err.h>
 
-main(argc,argv)
-int argc;
-char *argv[];
-{
-	extern int optind;
-	extern int opterr;
-	extern char *optarg;
+void usage(void);
 
+int
+main(int argc, char *argv[])
+{
 	int c;
 	FILE *fp = stdin;
 	volatile int i;
 	int delay = 0;
-	int fflag = -1;
-	char *filename;
+	char *filename = NULL;
 	
 	while( (c = getopt(argc, argv, "d:f:")) != -1)
 	{
@@ -69,7 +68,6 @@ char *argv[];
 				
 			case 'f':
 				filename = optarg;
-				fflag = 1;
 				break;
 
 			case '?':
@@ -79,15 +77,11 @@ char *argv[];
 		}
 	}
 
-	if(fflag == 1)
+	if(filename != NULL)
 	{
 		if((fp = fopen(filename, "r")) == NULL)
 		{
-			char buffer[80];
-			strcpy(buffer,"ERROR opening file ");
-			strcat(buffer,filename);
-			perror(buffer);
-			exit(1);
+			err(1, "ERROR opening file %s", filename);
 		}
 	}
 			
@@ -100,7 +94,8 @@ char *argv[];
 }
 
 
-usage()
+void
+usage(void)
 {
 	fprintf(stderr,"\nplayvt - play a VT animation with programmable delay\n");
 	fprintf(stderr,"usage: playvt -f [filename] -d [delay]\n");
@@ -108,4 +102,3 @@ usage()
 	fprintf(stderr,"       -d <delay>      delay between characters\n");
 	exit(1);
 }
-