Antonio,
I linked hbcurl.lib ( I found it on dowload list) for xharbour
when I compile the test it make these errors
Project: test, Environment: xFive_Pelles:
[1]:Harbour.Exe test.prg /m /n0 /gc1 /es2 /iC:\Work\fwh\include /ic:\work\xHarbour\Include /jit_IT.hil /iinclude;c:\work\fwh\include;c:\work\xHarbour\include /oObj\test.c
xHarbour Compiler build 1.2.1 (SimpLex) (Rev. 6717)
Copyright 1999-2010,
http://www.xharbour.org http://www.harbour-project.org/Compiling 'test.prg'...
Generating international list to 'it_IT.hil'...
Lines 87, Functions/Procedures 3
Generating C source output to 'Obj\test.c'...
Done.
[1]:Bcc32.Exe -M -c -O2 -tW -v- -X -DHB_FM_STATISTICS_OFF -DHB_NO_DEFAULT_API_MACROS -DHB_NO_DEFAULT_STACK_MACROS -DHB_OS_WIN_32 -IC:\Work\fwh\include -IC:\Work\bcc582\Include;c:\work\xHarbour\Include -nObj Obj\test.c
Borland C++ 5.82 for Win32 Copyright (c) 1993, 2005 Borland
Obj\test.c:
[1]:iLink32.Exe -Gn -aa -Tpe -s @test.bcl
Turbo Incremental Link 5.69 Copyright (c) 1997-2005 Borland
Error: Unresolved external '_curl_global_init' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_easy_init' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_formadd' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_slist_append' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_easy_setopt' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_easy_perform' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_formfree' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_slist_free_all' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_easy_cleanup' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_curl_global_cleanup' referenced from C:\WORK\ERRORI\GMAIL\HBCURL.LIB|hbcurl
Error: Unresolved external '_HB_FUN_CURL_EASY_RESET' referenced from C:\WORK\ERRORI\GMAIL\OBJ\TEST.OBJ
Since from 1991/1992 ( fw for clipper Rel. 14.4 - Momos)
I use : FiveWin for Harbour November 2023 - January 2024 - Harbour 3.2.0dev (harbour_bcc770_32_20240309) - Bcc7.70 - xMate ver. 1.15.3 - PellesC - mail: silvio[dot]falconi[at]gmail[dot]com