--- /dev/null
+#ifndef __LUNAIX_STRING_H
+#define __LUNAIX_STRING_H
+
+#include <stddef.h>
+
+int
+memcmp(const void*, const void*, size_t);
+
+void*
+memcpy(void* __restrict, const void* __restrict, size_t);
+
+void*
+memmove(void*, const void*, size_t);
+
+void*
+memset(void*, int, size_t);
+
+size_t
+strlen(const char* str);
+
+char*
+strcpy(char* dest, const char* src);
+
+size_t
+strnlen(const char* str, size_t max_len);
+
+char*
+strncpy(char* dest, const char* src, size_t n);
+
+const char*
+strchr(const char* str, int character);
+
+#endif /* __LUNAIX_STRING_H */