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29 /// \file utils/env.hpp
30 /// Querying and manipulation of environment variables.
32 /// These utility functions wrap the system functions to manipulate the
33 /// environment in a portable way and expose their arguments and return values
34 /// in a C++-friendly manner.
36 #if !defined(UTILS_ENV_HPP)
42 #include "utils/optional.hpp"
47 std::map
< std::string
, std::string
> getallenv(void);
48 optional
< std::string
> getenv(const std::string
&);
49 std::string
getenv_with_default(const std::string
&, const std::string
&);
50 void setenv(const std::string
&, const std::string
&);
51 void unsetenv(const std::string
&);
56 #endif // !defined(UTILS_ENV_HPP)