6 #include "aloptional.h"
11 std::string
wstr_to_utf8(const wchar_t *wstr
);
12 std::wstring
utf8_to_wstr(const char *str
);
17 al::optional
<std::string
> getenv(const char *envname
);
19 al::optional
<std::wstring
> getenv(const wchar_t *envname
);
24 #endif /* AL_STRUTILS_H */