--- src/include/misc.h.orig	1993-04-25 21:37:48 UTC
+++ src/include/misc.h
@@ -86,9 +86,11 @@ extern int errno;
 extern char *realloc();
 extern char *getenv();
 extern int errno;
+#ifndef __FreeBSD__
 extern char *sys_errlist[];
 extern char *getenv();
 extern char *getwd();
+#endif
 extern int rand();
 extern int srand();
 extern int atoi();
@@ -100,7 +102,7 @@ extern void exit();
 #  endif
 
 #  ifdef HAS_GETCWD
-extern char *getcwd( );
+#include <unistd.h>
 #  endif
 
 #  ifdef HAS_CLEARERR
@@ -145,16 +147,15 @@ extern void perror();
 #endif
 
 #ifdef HAS_TIME_
-#  ifdef HAS_BSDTIME
-extern char *timezone();
-#  endif
 extern char *asctime();
 extern struct tm *localtime();
 #endif
 
 #ifndef HAS_MEMAVL
 #  ifdef HAS_RLIMIT_
-extern char *sbrk();
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
 #  endif
 #endif