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[TRNSYS-users] functions get.. type char

Dear all:
I´m Javier mota from 3i, Madrid;once more.
I have a problem with the functions get? which returns a character type like (e.g. getDeckFileName). 
I am using trnsys16 and I would like use this functions in c++

I have among other lines in Trnsys.h
extern "C" __declspec(dllimport) char*_cdecl TRNSYSFUNCTIONS_mp_GETDECKFILENAME(void); 
and
#define getDeckFileName	TRNSYSFUNCTIONS_mp_GETDECKFILENAME

and in TRNSYSFUNCTIONS.f90 something like

function getTrnsysInputFileDir()
!dec$ attributes dllexport, c, reference, nomixed_str_len_arg :: getTrnsysInputFileDir !dec$ attributes alias:"TRNSYSFUNCTIONS_mp_GETTRNSYSINPUTFILEDIR", decorate :: getTrnsysInputFileDir 
   use TrnsysData
   character (len=maxPathLength) :: getTrnsysInputFileDir
   getTrnsysInputFileDir = TrnsysInputFileDir
end function getTrnsysInputFileDir

so I write in my program:
char *gg;
gg= getTrnsysInputFileDir();
I don´t have problem in making dll but when I run the program in trnys I get an access violation error 
You mus be sure I would like solve this problem,
Thank you

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Móviles, DVD, cámaras digitales, coleccionismo... Con unas ofertas que ni te imaginas. http://www.msn.es/Subastas/