--- /dev/null
+++ Libc/Libc-825.26/stdlib/FreeBSD/putenv.c
@@ -0,0 +1,100 @@
+/*-
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)putenv.c	8.2 (Berkeley) 3/27/94";
+#endif /* LIBC_SCCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/stdlib/putenv.c,v 1.6 2007/05/01 16:02:41 ache Exp $");
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <db.h>
+#include <crt_externs.h>
+#include <errno.h> 
+
+extern struct owned_ptr *__env_owned;
+
+#ifdef LEGACY_CRT1_ENVIRON
+extern char **_saved_environ;
+#endif /* LEGACY_CRT1_ENVIRON */
+
+__private_extern__ int __init__env_owned(int);
+__private_extern__ int __setenv(const char *, const char *, int, int, char ***, struct owned_ptr *);
+
+#ifndef BUILDING_VARIANT
+/*
+ * _putenvp -- SPI using an arbitrary pointer to string array (the array must
+ * have been created with malloc) and an env state, created by _allocenvstate().
+ *	Returns ptr to value associated with name, if any, else NULL.
+ */
+int
+_putenvp(char *str, char ***envp, void *state)
+{
+	if (__init__env_owned(1)) return (-1);
+	return (__setenv(str, NULL, 1, 0, envp, (state ? (struct owned_ptr *)state : __env_owned)));
+}
+#endif /* BUILDING_VARIANT */
+
+int
+putenv(str)
+	char *str;
+{
+#ifdef LEGACY_CRT1_ENVIRON
+	int ret;
+#endif /* LEGACY_CRT1_ENVIRON */
+
+#if __DARWIN_UNIX03
+	if (str == NULL || *str == 0 || index(str, '=') == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+#else /* !__DARWIN_UNIX03 */
+	if (index(str, '=') == NULL)
+		return (-1);
+#endif /* __DARWIN_UNIX03 */
+	if (__init__env_owned(1)) return (-1);
+#ifdef LEGACY_CRT1_ENVIRON
+	ret =
+#else /* !LEGACY_CRT1_ENVIRON */
+	return
+#endif /* !LEGACY_CRT1_ENVIRON */
+	    __setenv(str, NULL, 1,
+#if __DARWIN_UNIX03
+		0,
+#else /* !__DARWIN_UNIX03 */
+		-1,
+#endif /* __DARWIN_UNIX03 */
+		_NSGetEnviron(), __env_owned);
+#ifdef LEGACY_CRT1_ENVIRON
+	_saved_environ = *_NSGetEnviron();
+	return ret;
+#endif /* LEGACY_CRT1_ENVIRON */
+}