diff --git a/include/stdlib.h b/include/stdlib.h
index fb1e1de..3052dab 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -34,6 +34,7 @@
 unsigned int atoui(const char *num);
 long atol(const char *num);
 unsigned long atoul(const char *num);
+int itoa(int num, unsigned char* str, int len, int base);
 
 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
@@ -46,4 +47,3 @@
 	uint8_t __##var[(size) + CACHE_LINE]; uint8_t *var = (uint8_t *)(ROUNDUP((addr_t)__##var, CACHE_LINE))
 
 #endif
-
diff --git a/include/string.h b/include/string.h
index 3dccd92..661e746 100644
--- a/include/string.h
+++ b/include/string.h
@@ -54,6 +54,7 @@
 int         strcoll(const char *s1, const char *s2) __PURE;
 size_t      strxfrm(char *dest, const char *src, size_t n) __PURE;
 char       *strdup(const char *str) __MALLOC;
+void        strrev(unsigned char *str) __PURE;
 
 #ifdef __cplusplus
 } /* extern "C" */
diff --git a/lib/libc/itoa.c b/lib/libc/itoa.c
new file mode 100644
index 0000000..6f68565
--- /dev/null
+++ b/lib/libc/itoa.c
@@ -0,0 +1,63 @@
+/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *  * 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.
+ *   * Neither the name of The Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+int
+itoa(int num, unsigned char* str, int len, int base)
+{
+	int sum = num;
+	int i = 0;
+	int digit;
+
+	if (len == 0)
+		return -1;
+
+	do
+	{
+		digit = sum % base;
+
+		if (digit < 0xA)
+			str[i++] = '0' + digit;
+		else
+			str[i++] = 'A' + digit - 0xA;
+
+		sum /= base;
+
+	}while (sum && (i < (len - 1)));
+
+	if (i == (len - 1) && sum)
+		return -1;
+
+	str[i] = '\0';
+	strrev(str);
+
+	return 0;
+}
diff --git a/lib/libc/rules.mk b/lib/libc/rules.mk
index e250cfe..0dd0d02 100644
--- a/lib/libc/rules.mk
+++ b/lib/libc/rules.mk
@@ -3,6 +3,7 @@
 OBJS += \
 	$(LOCAL_DIR)/atoi.o \
 	$(LOCAL_DIR)/ctype.o \
+	$(LOCAL_DIR)/itoa.o \
 	$(LOCAL_DIR)/printf.o \
 	$(LOCAL_DIR)/malloc.o \
 	$(LOCAL_DIR)/rand.o \
@@ -17,4 +18,3 @@
 	$(LOCAL_DIR)/atexit.o \
 	$(LOCAL_DIR)/pure_virtual.o
 endif
-
diff --git a/lib/libc/string/rules.mk b/lib/libc/string/rules.mk
index 1d038e6..fc1ceb2 100644
--- a/lib/libc/string/rules.mk
+++ b/lib/libc/string/rules.mk
@@ -25,6 +25,7 @@
 	strnlen \
 	strpbrk \
 	strrchr \
+	strrev \
 	strspn \
 	strstr \
 	strtok \
@@ -39,4 +40,3 @@
 
 OBJS += \
 	$(addprefix $(LIBC_STRING_C_DIR)/,$(addsuffix .o,$(C_STRING_OPS)))
-
diff --git a/lib/libc/string/strrev.c b/lib/libc/string/strrev.c
new file mode 100644
index 0000000..a961d79
--- /dev/null
+++ b/lib/libc/string/strrev.c
@@ -0,0 +1,46 @@
+/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *  * 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.
+ *   * Neither the name of The Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
+*/
+
+#include <string.h>
+#include <sys/types.h>
+
+void
+strrev(unsigned char *str)
+{
+	int i;
+	int j;
+	unsigned char a;
+	unsigned len = strlen((const char *)str);
+
+	for (i = 0, j = len - 1; i < j; i++, j--)
+	{
+		a = str[i];
+		str[i] = str[j];
+		str[j] = a;
+	}
+}