From:  Jocelyn Mayer <l_indien@mailmagic.fr>
Patches missing includes and other C99 compilation errors
https://bugs.gentoo.org/887249
--- a/daemon.c	2005-12-29 16:32:02.000000000 +0100
+++ b/daemon.c	2019-06-07 09:50:06.839448716 +0200
@@ -2,10 +2,14 @@
 
 #include "log.h"
 
+#include <stdlib.h>
 #include <stdio.h>
 #include <signal.h>
+#include <sys/types.h>
 #include <sys/param.h>
+#include <sys/stat.h>
 #include <sys/wait.h>
+#include <unistd.h>
 #include <errno.h>
 
 #ifdef	SETPGRP_VOID
@@ -38,7 +42,7 @@ RETSIGTYPE sig_child()
 
 }
 
-daemon_start(ignsigcld)
+void daemon_start(ignsigcld)
 
 	int	ignsigcld;	
 
--- a/data.c	2004-07-08 22:58:20.000000000 +0200
+++ b/data.c	2019-06-07 09:46:32.896814247 +0200
@@ -2,7 +2,7 @@
 
 #include <stdlib.h>
 #include <search.h>
-#include <stdlib.h>
+#include <string.h>
 
 #include "data.h"
 #include "log.h"
--- a/external.c	2004-11-10 14:10:04.000000000 +0100
+++ b/external.c	2019-06-07 09:42:38.903931334 +0200
@@ -1,5 +1,7 @@
+#include <stdlib.h>
 #include <stdio.h>
 #include <signal.h>
+#include <string.h>
 #include <sys/param.h>
 #include <sys/wait.h>
 #include <sys/types.h>
--- a/parser.c	2004-07-08 15:57:30.000000000 +0200
+++ b/parser.c	2019-06-07 09:41:00.534719377 +0200
@@ -1,5 +1,6 @@
 #include "config.h"
 
+#include <stdlib.h>
 #include <stdio.h>
 #include <ctype.h>
 #include <string.h>
--- a/vmpsd.c	2019-06-07 09:28:33.013509568 +0200
+++ b/vmpsd.c	2019-06-07 09:44:38.800408508 +0200
@@ -1,7 +1,9 @@
 #include "config.h"
 
 #include <stdlib.h>
+#include <stdio.h>
 #include <signal.h>
+#include <string.h>
 
 #if HAVE_UNISTD_H
 #include <unistd.h>
--- a/vqp.c	2019-06-07 09:28:33.085510455 +0200
+++ b/vqp.c	2019-06-07 09:41:48.839314511 +0200
@@ -1,5 +1,6 @@
 #include "config.h"
 
+#include <string.h>
 #include <netdb.h>
 
 #include "log.h"