--- Libc/Libc-1725.40.4/stdlib/FreeBSD/getenv.c
+++ Libc/Libc-1583.60.2/stdlib/FreeBSD/getenv.c
@@ -33,7 +33,6 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD: src/lib/libc/stdlib/getenv.c,v 1.8 2007/05/01 16:02:41 ache Exp $");
 
-#include <errno.h>
 #include <os/lock_private.h>
 #include <stdlib.h>
 #include <stddef.h>
@@ -124,71 +123,3 @@
 	environ_unlock_np();
 	return result;
 }
-
-/*
- * getenv_copy_np --
- *	Returns ptr to copy of value associated with name, if any, else NULL.
- *	Caller is responsible for freeing the return value.
- *	Sets errno == ENOMEM and returns NULL if memory allocation fails.
- *	Sets errno == EAGAIN and returns NULL if 5 attempts to copy the
- *	string fails.
- */
-char *
-getenv_copy_np(const char *name)
-{
-	/*
-	 * malloc() calls getenv() (which takes the environ_lock_np()), so
-	 * strdup() can not be called with environ_lock_np() held. Instead,
-	 * perform a two-step check for the length of the value (under lock),
-	 * then allocate a buffer, then try to copy the value into the buffer
-	 * (under lock). If the value of the environment variable changed such
-	 * that it no longer fits in the buffer, then try again up to four more
-	 * times. This algorithm is prescribed when using getenv_s() (ISO-C
-	 * Annex K), so this function abstracts that from the user since it is
-	 * difficult to implement correctly.
-	 */
-	unsigned attempts = 0;
-	char *result_buffer = NULL;
-	size_t result_buffer_length = 0;
-	int unused_offset;
-	char *value;
-	size_t value_length;
-
-	/* 1. Get the length of the value. */
-	environ_lock_np();
-	value = __findenv_locked(name, &unused_offset, *_NSGetEnviron());
-	value_length = value ? strlen(value) : 0;
-	environ_unlock_np();
-
-	if (!value)
-		return NULL;
-
-	do {
-		if (++attempts > 5) {
-			errno = EAGAIN;
-			return NULL;
-		}
-
-		/* 2. Allocate a buffer for the copy.  Round up to nearest/next 16 bytes. */
-		result_buffer_length = value_length + 1;
-		result_buffer_length += (16 - (result_buffer_length % 16));
-		result_buffer = (char *)reallocf((void *)result_buffer, result_buffer_length);
-		if (result_buffer == NULL) {
-			/* reallocf() sets errno = ENOMEM on failure. */
-			return NULL;
-		}
-
-		/* 3. Get the variable again and make a copy. */
-		environ_lock_np();
-		value = __findenv_locked(name, &unused_offset, *_NSGetEnviron());
-		value_length = value ? strlcpy(result_buffer, value, result_buffer_length) : 0;
-		environ_unlock_np();
-
-		if (!value)
-			return NULL;
-
-		/* 4. If value was too long for buffer, try again. */
-	} while (value_length >= result_buffer_length);
-
-	return result_buffer;
-}