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4.1 Header

All interfaces (data types and functions) of libassuan are defined in the header file assuan.h. You must include this in all source files using the library, either directly or through some other header file, like this:

#include <assuan.h>

The namespace of libassuan is assuan_* for function and type names and ASSUAN* for other symbols. In addition the same name prefixes with one prepended underscore are reserved for internal use and should never be used by an application.

Because libassuan makes use of the GPG Error library, using libassuan will also use the GPG_ERR_* namespace directly, and the gpg_err* and gpg_str* namespaces indirectly.