diff --git a/core/klibc.c b/core/klibc.c
index 930409c..ae9dbe9 100644
--- a/core/klibc.c
+++ b/core/klibc.c
@@ -1,5 +1,17 @@
 #include "klibc.h"
 
+int memcmp(const void* aptr, const void* bptr, size_t size) {
+	const unsigned char* a = (const unsigned char*) aptr;
+	const unsigned char* b = (const unsigned char*) bptr;
+	for (size_t i = 0; i < size; i++) {
+		if (a[i] < b[i])
+			return -1;
+		else if (b[i] < a[i])
+			return 1;
+	}
+	return 0;
+}
+
 void *memcpy(void *dst, const void *src, size_t n)
 {
         char *dstChar       = dst;
diff --git a/core/klibc.h b/core/klibc.h
index 8101d07..64684ed 100644
--- a/core/klibc.h
+++ b/core/klibc.h
@@ -9,6 +9,7 @@
                     ((c) == '\r') || ((c) == '\v'))
 #define isprint(c)  ((' ' <= (c)) && ((c) <= '~'))
 
+int memcmp(const void *s1, const void *s2, size_t n);
 void *memcpy(void *dest, const void *src, size_t n);
 void *memset(void *s, int c, size_t n);
 char *itoa(int value, char *str, int base);
diff --git a/core/main.c b/core/main.c
index f119452..9e2e364 100644
--- a/core/main.c
+++ b/core/main.c
@@ -38,7 +38,7 @@ void kmain(unsigned long magic, unsigned long addr)
     irqSetup();
     pitSetup(100);
 
-    if (magic == MULTIBOOT_BOOTLOADER_MAGIC) { // Get loaded by Grub wuth mutliboot version 1
+    if (magic == MULTIBOOT_BOOTLOADER_MAGIC) { // Get loaded by Grub with mutliboot version 1
         multiboot_info_t *mbi = (multiboot_info_t *)addr;
         /* Are mem_* valid? */
         if (CHECK_FLAG(mbi->flags, 0)) {