diff -ruN qmailmrtg7-4.2-original/checkq.c qmailmrtg7-4.2/checkq.c
--- qmailmrtg7-4.2-original/checkq.c	2004-02-29 10:54:02.000000000 +0100
+++ qmailmrtg7-4.2/checkq.c	2024-02-26 21:07:21.036001195 +0100
@@ -21,6 +21,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <dirent.h>
+#include <string.h>
 
 int main(int argc, char *argv)
 {
diff -ruN qmailmrtg7-4.2-original/qmailmrtg7.c qmailmrtg7-4.2/qmailmrtg7.c
--- qmailmrtg7-4.2-original/qmailmrtg7.c	2004-11-05 17:37:11.000000000 +0100
+++ qmailmrtg7-4.2/qmailmrtg7.c	2024-02-26 21:15:53.058903228 +0100
@@ -23,6 +23,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <dirent.h>
+#include <stdlib.h>
 #include "qmailmrtg7.h"
 
 #define MAX_BUFF 1000
@@ -55,6 +56,7 @@
 void process_file( char *file_name); 
 void usage();
 int get_size(char *dir);
+int count_files(char *diri);
 
 char TheType;
 
@@ -383,7 +385,7 @@
   printf("for q option dir is the qmail queue dir\n");
 }
 
-get_size(diri)
+int get_size(diri)
  char *diri;
 {
  DIR *mydir;
@@ -398,7 +400,7 @@
   return(count);
 }
 
-count_files(char *diri)
+int count_files(char *diri)
 {
  DIR *mydir;
  int count;