> I'using the Visual .NET 2003 (Visual C++ 7.0) and i can't 
> make the dll..i get some errors as follow:
> sig_term : undeclared

Hum, looks like your htssystem.h file was not correct.
The file should only contains on WIN32 systems this line:
#define HTS_ANALYSTE 1

But also ensure that you have all other mandatory headers 
(zlib, openssl, and ipv6 headers) to compile correctly the 
library.