Moved header files into their lib directory

libc/include/string.h

@@ -0,0 +1,23 @@
+#ifndef STRING_H
+#define STRING_H
+
+#include <stdint.h>
+
+void* memcpy(void* src, void* dst, uint32_t length);
+void* memcpy32(void* src, void* dst, uint32_t length);
+void* memset(void* dst, uint8_t value, uint32_t length);
+
+char* itoa(uint32_t val, uint8_t base);
+uint32_t atoi(const char* str);
+int isSpace(char c);
+char* strcpy(char* str1, const char* str2);
+char* strncpy(char* str1, const char* str2, size_t n);
+char* strcat(char* str1, const char* str2);
+char* strncat(char* str1, const char* str2, size_t n);
+char* strchr(const char* str, char c);
+char* strrchr(const char* str, char c);
+int strcmp(const char* str1, const char* str2);
+int strncmp(const char* str1, const char* str2, size_t n);
+uint32_t strlen(const char* str);
+
+#endif