diff --git a/Makefile b/Makefile
index 3d079a39..56fc3bd7 100644
--- a/Makefile
+++ b/Makefile
@@ -315,6 +315,7 @@ C_FILES = \
 	freebsd/libkern/random.c \
 	freebsd/libkern/arc4random.c \
 	freebsd/kern/subr_pcpu.c \
+	freebsd/libkern/inet_ntoa.c \
 	freebsd/dev/re/if_re.c \
 	freebsd/dev/fxp/if_fxp.c \
 	freebsd/dev/e1000/e1000_80003es2lan.c \
diff --git a/freebsd-to-rtems.py b/freebsd-to-rtems.py
index 413cf571..62fdd6e1 100755
--- a/freebsd-to-rtems.py
+++ b/freebsd-to-rtems.py
@@ -1128,6 +1128,7 @@ devNic.addSourceFiles(
 		'libkern/random.c',
 		'libkern/arc4random.c',
 		'kern/subr_pcpu.c',
+		'libkern/inet_ntoa.c',
 	]
 )
 
diff --git a/freebsd/libkern/inet_ntoa.c b/freebsd/libkern/inet_ntoa.c
new file mode 100644
index 00000000..89da6a42
--- /dev/null
+++ b/freebsd/libkern/inet_ntoa.c
@@ -0,0 +1,67 @@
+#include <freebsd/machine/rtems-bsd-config.h>
+
+/*-
+ * Copyright 1994, 1995 Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that both the above copyright notice and this
+ * permission notice appear in all copies, that both the above
+ * copyright notice and this permission notice appear in all
+ * supporting documentation, and that the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.  M.I.T. makes
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
+ * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
+ * SHALL M.I.T. 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.
+ */
+
+#include <freebsd/sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/systm.h>
+
+#include <freebsd/netinet/in.h>
+
+char *
+inet_ntoa(struct in_addr ina)
+{
+	static char buf[4*sizeof "123"];
+	unsigned char *ucp = (unsigned char *)&ina;
+
+	sprintf(buf, "%d.%d.%d.%d",
+		ucp[0] & 0xff,
+		ucp[1] & 0xff,
+		ucp[2] & 0xff,
+		ucp[3] & 0xff);
+	return buf;
+}
+
+char *
+inet_ntoa_r(struct in_addr ina, char *buf)
+{
+	unsigned char *ucp = (unsigned char *)&ina;
+
+	sprintf(buf, "%d.%d.%d.%d",
+		ucp[0] & 0xff,
+		ucp[1] & 0xff,
+		ucp[2] & 0xff,
+		ucp[3] & 0xff);
+	return buf;
+}
+
+