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diff --git a/src/strings/zstring.hpp b/src/strings/zstring.hpp
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+++ b/src/strings/zstring.hpp
@@ -0,0 +1,81 @@
+#ifndef TMWA_STRINGS_ZSTRING_HPP
+#define TMWA_STRINGS_ZSTRING_HPP
+//    strings/zstring.hpp - A borrowed tail slice of a string.
+//
+//    Copyright © 2013 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include <cstring>
+
+#include "base.hpp"
+
+namespace strings
+{
+    /// A non-owning string that is guaranteed to be NUL-terminated.
+    /// This should be only used as a parameter.
+    class ZString : public _crtp_string<ZString, FString, ZPair>
+    {
+        iterator _b, _e;
+        // optional
+        const FString *_base;
+    public:
+        ZString();
+        // no MString
+        ZString(const FString& s);
+        ZString(const TString& s);
+        ZString(const SString&) = delete;
+        //ZString(ZString);
+        ZString(const XString&) = delete;
+        template<uint8_t n>
+        ZString(const VString<n>& s);
+        // dangerous
+        ZString(const char *b, const char *e, const FString *base_);
+        ZString(decltype(really_construct_from_a_pointer), const char *s, const FString *base_);
+        template<size_t n>
+        ZString(char (&s)[n]) = delete;
+        template<size_t n>
+        ZString(const char (&s)[n], const FString *base_=nullptr);
+
+        iterator begin() const;
+        iterator end() const;
+        const FString *base() const;
+        const char *c_str() const;
+
+        ZString oslice_t(size_t o) const;
+        XString oslice_h(size_t o) const;
+        ZString orslice_t(size_t no) const;
+        XString orslice_h(size_t no) const;
+        ZString oislice_t(iterator it) const;
+        XString oislice_h(iterator it) const;
+        XString olslice(size_t o, size_t l) const;
+        XString opslice(size_t b, size_t e) const;
+        XString oislice(iterator b, iterator e) const;
+    };
+
+    // cxxstdio helpers
+    // I think the conversion will happen automatically. TODO test this.
+    // Nope, it doesn't, since there's a template
+    // Actually, it might now.
+    const char *decay_for_printf(const ZString& zs);
+
+    __attribute__((format(scanf, 2, 0)))
+    int do_vscan(ZString in, const char *fmt, va_list ap);
+} // namespace strings
+
+#include "zstring.tcc"
+
+#endif // TMWA_STRINGS_ZSTRING_HPP