--- ./sysklogd/syslogd.c~	2006-03-30 21:44:51.000000000 +0200
+++ ./sysklogd/syslogd.c	2006-03-30 21:42:34.000000000 +0200
@@ -132,7 +132,7 @@
 #include <sys/shm.h>
 
 /* our shared key */
-static const long KEY_ID = 0x414e4547;	/*"GENA" */
+static long KEY_ID = 0x414e4500;	/*"\0ENA" */
 
 // Semaphore operation structures
 static struct shbuf_ds {
@@ -795,7 +795,7 @@
 	char *p;
 
 	/* do normal option parsing */
-	while ((opt = getopt(argc, argv, "m:nO:s:uSb:R:Ll:k:C::")) > 0) {
+	while ((opt = getopt(argc, argv, "m:nO:s:uSb:R:Ll:k:K:C::")) > 0) {
 		switch (opt) {
 		case 'm':
 			MarkInterval = atoi(optarg) * 60;
@@ -856,6 +856,10 @@
 			}
 			circular_logging = TRUE;
 			break;
+		case 'K':
+			KEY_ID = (KEY_ID & ~0xFF) | (atoi(optarg) & 0xFF);
+			circular_logging = TRUE;
+			break;
 #endif
 		case 'u':
 			doListenUnix = FALSE;
--- ./include/usage.h.orig	2006-03-30 21:53:08.000000000 +0200
+++ ./include/usage.h	2006-03-30 21:55:58.000000000 +0200
@@ -2919,7 +2919,8 @@
 	USAGE_SYSLOG_INCLUDE_KLOG( \
 	"\n\t-k LEVEL\tCollect kernel logs and set console to display logs below LEVEL (1-8)\n") \
 	USAGE_IPC_LOG( \
-	"\n\t-C [size(KiB)]\tLog to a circular buffer (read the buffer using logread)")
+	"\n\t-C [size(KiB)]\tLog to a circular buffer (read the buffer using logread)\n" \
+	"\t-K KEYID\tUse this ID for the circular buffer (0..255, default=0)")
 #define syslogd_example_usage \
 	"$ syslogd -R masterlog:514\n" \
 	"$ syslogd -R 192.168.1.1:601\n"