$NetBSD: patch-ac,v 1.2 2025/09/29 20:40:14 mrg Exp $

Adjust for modern C.

--- magicfilter.c.orig	1996-03-17 03:39:24.000000000 -0800
+++ magicfilter.c	2025-09-25 12:28:43.390857979 -0700
@@ -23,6 +23,7 @@
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
+#include <sys/stat.h>
 
 char *inblock;			/* Block read */
 int inblock_size;		/* Bytes reserved for the inblock */
@@ -59,10 +60,9 @@
 /* Header of mail message */
 #ifndef NOMAIL
 const char *mailheader =	/* Header of complaint message */
-"To: %s\n\
-Subject: Rejected print job\n\
-
-Your print job was automatically rejected as an invalid data type.\n\n";
+"To: %s\n"
+"Subject: Rejected print job\n\n"
+"Your print job was automatically rejected as an invalid data type.\n\n";
 #endif
 
 /* ------------------------------------------------------------------------- *
@@ -835,6 +835,7 @@
  * Analyze the input data and choose an appropriate way to handle it.
  * ------------------------------------------------------------------------- */
 
+int
 main(int argc, char *argv[])
 {
   int do_cat = 0;		/* True if -c option */