NAME
       zip_add_dir - add directory to zip archive
LIBRARY
       libzip (-lzip)
SYNOPSIS
       #include <zip.h>
       int zip_add_dir(struct zip *archive, const char *name);
DESCRIPTION
       The  function  zip_add_dir  adds  a  directory  to  a zip archive.  The
       argument archive specifies the  zip  archive  to  which  the  directory
       should be added.  name is the directory’s name in the zip archive.
RETURN VALUES
       Upon  successful  completion, the index of the new entry in the archive
       is returned.  Otherwise, -1 is returned and the error code  in  archive
       is set to indicate the error.
ERRORS
       zip_add_dir fails if:
              [ZIP_ER_EXISTS]
                  There is already an entry called name in the archive.
              [ZIP_ER_INVAL]
                  archive or name are NULL.
              [ZIP_ER_MEMORY]
                  Required memory could not be allocated.
SEE ALSO
       libzip(3), zip_add(3)
AUTHORS
       Dieter Baron <dillo@giga.or.at> and Thomas Klausner <tk@giga.or.at>