Added AMAZING boot menu to KBOOT

boot/stage2/string.h

@@ -0,0 +1,15 @@
+#ifndef _STRING_H
+#define _STRING_H
+
+#include "stdint.h"
+
+char* itoa(size_t val, int base);
+void* memcpy(void* src, void* dst, size_t length);
+void* memset(void* dst, uint8_t value, size_t length);
+char* strcpy(char* str1, const char* str2);
+char* strcat(char* str1, const char* str2);
+char* strchr(const char* str, char c);
+int strcmp(const char* str1, const char* str2);
+size_t strlen(const char* str);
+
+#endif