Important BSD version of setenv, added killpg, replaced _sigsetjmp.c with

an assembler jump to longjmp.

lib/posix/Makefile.in

@@ -47,6 +47,7 @@ libc_FILES=" \
 	_ioctl.c \
 	_isatty.c \
 	_kill.c \
+	_killpg.c \
 	_link.c \
 	_lseek.c \
 	_lstat.c \
@@ -75,7 +76,6 @@ libc_FILES=" \
 	_sigprocmask.c \
 	_sigreturn.c \
 	_sigset.c \
-	_sigsetjmp.c \
 	_sigsuspend.c \
 	_sleep.c \
 	_stat.c \

lib/posix/_killpg.c

@@ -0,0 +1,13 @@
+#include <lib.h>
+#define killpg	_killpg
+#define kill	_kill
+#include <signal.h>
+
+PUBLIC int killpg(pgrp, sig)
+int pgrp;			/* which process group is to be sent the
+				 * signal
+				 */
+int sig;			/* signal number */
+{
+  return kill(-pgrp, sig);
+}

lib/posix/_sigsetjmp.c

@@ -1,13 +0,0 @@
-#include <lib.h>
-#include <sys/sigcontext.h>
-#include <setjmp.h>
-
-PUBLIC void siglongjmp(env, val)
-sigjmp_buf env;
-int val;
-{
-  if (env[0].__flags & SC_SIGCONTEXT)
-	longjmp(env, val);
-  else
-	_longjmp(env, val);
-}