--- team.c~	2023-02-15 22:43:13.785130000 +0100
+++ team.c	2023-02-15 23:21:27.257000000 +0100
@@ -82,6 +82,11 @@
 #include <errno.h>
 #include <signal.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <sys/stat.h>
@@ -151,10 +156,12 @@
 #endif
 
 /*VARARGS1*/
-mesg(a,b,c,d,e,f,g,h,i)
-  char *a;
-  int b,c,d,e,f,g,h,i;
+int
+mesg(char *a, ...)
 {
+    va_list ap;
+    va_start(ap, a);
+    int rv;
 # if (defined F_SETLKW)
     struct flock l;
     l.l_whence = 0; l.l_start = 0L; l.l_len = 0L;
@@ -163,13 +170,16 @@
 # if (defined LOCK_EX)
     flock(fileno(stderr),LOCK_EX);
 # endif
-  fprintf(stderr,a,b,c,d,e,f,g,h,i);
+    rv = vfprintf(stderr,a,ap);
 # if (defined LOCK_EX)
     flock(fileno(stderr),LOCK_UN);
 # endif
 # if (defined F_SETLKW)
     l.l_type = F_UNLCK; fcntl(fileno(stderr),F_SETLKW,&l);
 # endif
+    va_end(ap);
+
+    return rv;
 }
 
 local bool		verbose = false;
@@ -181,13 +191,6 @@
 
 extern time_t		time of((time_t *));
 extern int		atoi of((const char *));
-extern char		*malloc of((unsigned));
-extern char		*calloc of((address,unsigned));
-extern char		*strchr of((const char *,int));
-
-extern int		getopt of((int,char *[],const char *));
-extern char		*optarg;
-extern int		optind;
 
 /*
   The  regular Unix read and write calls are not guaranteed to process