diff --git a/include/chaiscript/dispatchkit/bootstrap_stl.hpp b/include/chaiscript/dispatchkit/bootstrap_stl.hpp
index 03c56f1..9bfc66a 100644
--- a/include/chaiscript/dispatchkit/bootstrap_stl.hpp
+++ b/include/chaiscript/dispatchkit/bootstrap_stl.hpp
@@ -512,16 +512,14 @@ namespace chaiscript
           }
           m->add(fun(&String::push_back), push_back_name);
 
-          typedef typename String::size_type (String::*find_func_ptr)(const String &, typename String::size_type) const;
-
           typedef std::function<int (const String *, const String &, int)> find_func;
 
-          m->add(fun( std::function<int (const String *, const String &, int)>( [](const String *s, const String &f, int pos) { return s->find(f, pos); } ) ), "find");
-          m->add(fun( std::function<int (const String *, const String &, int)>( [](const String *s, const String &f, int pos) { return s->rfind(f, pos); } ) ), "rfind");
-          m->add(fun( std::function<int (const String *, const String &, int)>( [](const String *s, const String &f, int pos) { return s->find_first_of(f, pos); } ) ), "find_first_of");
-          m->add(fun( std::function<int (const String *, const String &, int)>( [](const String *s, const String &f, int pos) { return s->find_last_of(f, pos); } ) ), "find_last_of");
-          m->add(fun( std::function<int (const String *, const String &, int)>( [](const String *s, const String &f, int pos) { return s->find_last_not_of(f, pos); } ) ), "find_last_not_of");
-          m->add(fun( std::function<int (const String *, const String &, int)>( [](const String *s, const String &f, int pos) { return s->find_first_not_of(f, pos); } ) ), "find_first_not_of");
+          m->add(fun(find_func( [](const String *s, const String &f, int pos) { return s->find(f, pos); } )), "find");
+          m->add(fun(find_func( [](const String *s, const String &f, int pos) { return s->rfind(f, pos); } ) ), "rfind");
+          m->add(fun(find_func( [](const String *s, const String &f, int pos) { return s->find_first_of(f, pos); } ) ), "find_first_of");
+          m->add(fun(find_func( [](const String *s, const String &f, int pos) { return s->find_last_of(f, pos); } ) ), "find_last_of");
+          m->add(fun(find_func( [](const String *s, const String &f, int pos) { return s->find_last_not_of(f, pos); } ) ), "find_last_not_of");
+          m->add(fun(find_func( [](const String *s, const String &f, int pos) { return s->find_first_not_of(f, pos); } ) ), "find_first_not_of");
 
           m->add(fun( std::function<const char *(const String *)>( [](const String *s) { return s->c_str(); } ) ), "c_str");
           m->add(fun( std::function<const char *(const String *)>( [](const String *s) { return s->data(); } ) ), "data");
diff --git a/include/chaiscript/language/chaiscript_engine.hpp b/include/chaiscript/language/chaiscript_engine.hpp
index 8d0cd0e..26faa16 100644
--- a/include/chaiscript/language/chaiscript_engine.hpp
+++ b/include/chaiscript/language/chaiscript_engine.hpp
@@ -13,6 +13,10 @@
 #include "../chaiscript_defines.hpp"
 #include "chaiscript_common.hpp"
 
+#if defined(__linux__) || defined(__unix__) || defined(__APPLE__)
+#include <unistd.h>
+#endif
+
 #ifdef _POSIX_VERSION
 #include <dlfcn.h>
 #else