Yep after installing VC2005 RakGS.dll is loaded on PC2. With server.c running on PC1, I can connect with client.c from PC2 and send message. 100% CPU solved by adding fps_max=60; inside function main. Anyways there must be some dependencies with VC2005 I think!?

Log of Atari Lite-C 1.03 run at Fri Jun 15 00:06:38 2007
Someone on Windows NT/2000/XP version 5.1 Build 2600
Options Client.c -diag

App C:\Program Files\liteC\acknex.exe in C:\RakGS\Client\
DI interface opened
Start Window opened
© Conitec . Dieburg . San Diego . www.3dgamestudio.com
Atari Lite-C - Edition V1.03 - May 26 2007
Development version

Mouse found
SAPPHIRE RADEON 9250 pure T&L device 1ff9 detected
D3D device SAPPHIRE RADEON 9250 1ff9 selected..
RAKGS.dll opened
Compiling CLIENT.C... .... .
Running CLIENT.C
2 objects
Main started
D3D_Init Window: 640x480x32 -> Window: 1x640x480x32
Video memory found: 249 MB
Main loop.........ok
1st frame - 254976K.. ok
Normal exit

Close level,DLL,objects
Free input,funcs,panels,defs,syns,views,strings,vars..ok
Free sounds,bmaps,fonts,hash,defs1,script..ok
Close dx,multimedia,D3D,engine,physics,nexus..ok
Atari Lite-C - Edition V1.03 - May 26 2007
© Conitec . Dieburg . San Diego . www.3dgamestudio.com
Close window

-----------------------------

// File name: C:\RakGS\RAKGS.dll
// Created : 15.06.2007 00:48
// Type : Dependencies

activeds.dll C:\WINDOWS\system32\activeds.dll
adsldpc.dll C:\WINDOWS\system32\adsldpc.dll
advapi32.dll C:\WINDOWS\system32\advapi32.dll
advpack.dll C:\WINDOWS\system32\advpack.dll
apphelp.dll C:\WINDOWS\system32\apphelp.dll
atl.dll C:\WINDOWS\system32\atl.dll
authz.dll C:\WINDOWS\system32\authz.dll
browseui.dll C:\WINDOWS\system32\browseui.dll
cabinet.dll C:\WINDOWS\system32\cabinet.dll
cdfview.dll C:\WINDOWS\system32\cdfview.dll
certcli.dll C:\WINDOWS\system32\certcli.dll
cfgmgr32.dll C:\WINDOWS\system32\cfgmgr32.dll
clusapi.dll C:\WINDOWS\system32\clusapi.dll
comctl32.dll C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.2982_x-ww_ac3f9c03\comctl32.dll
comdlg32.dll C:\WINDOWS\system32\comdlg32.dll
credui.dll C:\WINDOWS\system32\credui.dll
crypt32.dll C:\WINDOWS\system32\crypt32.dll
cryptui.dll C:\WINDOWS\system32\cryptui.dll
cscdll.dll C:\WINDOWS\system32\cscdll.dll
dbghelp.dll C:\WINDOWS\system32\dbghelp.dll
devmgr.dll C:\WINDOWS\system32\devmgr.dll
dhcpcsvc.dll C:\WINDOWS\system32\dhcpcsvc.dll
dnsapi.dll C:\WINDOWS\system32\dnsapi.dll
duser.dll C:\WINDOWS\system32\duser.dll
dwmapi.dll Path not Found.
efsadu.dll Path not Found.
esent.dll C:\WINDOWS\system32\esent.dll
gdi32.dll C:\WINDOWS\system32\gdi32.dll
gdiplus.dll C:\WINDOWS\WinSxS\x86_Microsoft.Windows.GdiPlus_6595b64144ccf1df_1.0.2600.2180_x-ww_522f9f82\gdiplus.dll
hlink.dll C:\WINDOWS\system32\hlink.dll
hnetcfg.dll C:\WINDOWS\system32\hnetcfg.dll
ieframe.dll C:\WINDOWS\system32\ieframe.dll
iertutil.dll C:\WINDOWS\system32\iertutil.dll
ieui.dll C:\WINDOWS\system32\ieui.dll
imagehlp.dll C:\WINDOWS\system32\imagehlp.dll
imgutil.dll C:\WINDOWS\system32\imgutil.dll
imm32.dll C:\WINDOWS\system32\imm32.dll
inetcomm.dll C:\WINDOWS\system32\inetcomm.dll
iphlpapi.dll C:\WINDOWS\system32\iphlpapi.dll
kernel32.dll C:\WINDOWS\system32\kernel32.dll
linkinfo.dll C:\WINDOWS\system32\linkinfo.dll
lz32.dll C:\WINDOWS\system32\lz32.dll
mlang.dll C:\WINDOWS\system32\mlang.dll
mobsync.dll C:\WINDOWS\system32\mobsync.dll
mpr.dll C:\WINDOWS\system32\mpr.dll
mprapi.dll C:\WINDOWS\system32\mprapi.dll
mprui.dll C:\WINDOWS\system32\mprui.dll
msasn1.dll C:\WINDOWS\system32\msasn1.dll
msgina.dll C:\WINDOWS\system32\msgina.dll
mshtml.dll C:\WINDOWS\system32\mshtml.dll
msi.dll C:\WINDOWS\system32\msi.dll
msimg32.dll C:\WINDOWS\system32\msimg32.dll
msls31.dll C:\WINDOWS\system32\msls31.dll
msoert2.dll C:\WINDOWS\system32\msoert2.dll
msrating.dll C:\WINDOWS\system32\msrating.dll
mssign32.dll C:\WINDOWS\system32\mssign32.dll
msvcp60.dll C:\WINDOWS\system32\msvcp60.dll
msvcrt.dll C:\WINDOWS\system32\msvcrt.dll
mswsock.dll C:\WINDOWS\system32\mswsock.dll
netapi32.dll C:\WINDOWS\system32\netapi32.dll
netcfgx.dll C:\WINDOWS\system32\netcfgx.dll
netman.dll C:\WINDOWS\system32\netman.dll
netplwiz.dll C:\WINDOWS\system32\netplwiz.dll
netrap.dll C:\WINDOWS\system32\netrap.dll
netshell.dll C:\WINDOWS\system32\netshell.dll
netui0.dll C:\WINDOWS\system32\netui0.dll
netui1.dll C:\WINDOWS\system32\netui1.dll
netui2.dll C:\WINDOWS\system32\netui2.dll
normaliz.dll C:\WINDOWS\system32\normaliz.dll
ntdll.dll C:\WINDOWS\system32\ntdll.dll
ntdsapi.dll C:\WINDOWS\system32\ntdsapi.dll
ntlanman.dll C:\WINDOWS\system32\ntlanman.dll
odbc32.dll C:\WINDOWS\system32\odbc32.dll
ole32.dll C:\WINDOWS\system32\ole32.dll
oleacc.dll C:\WINDOWS\system32\oleacc.dll
oleaut32.dll C:\WINDOWS\system32\oleaut32.dll
powrprof.dll C:\WINDOWS\system32\powrprof.dll
printui.dll C:\WINDOWS\system32\printui.dll
psapi.dll C:\WINDOWS\system32\psapi.dll
query.dll C:\WINDOWS\system32\query.dll
rasapi32.dll C:\WINDOWS\system32\rasapi32.dll
rasdlg.dll C:\WINDOWS\system32\rasdlg.dll
rasman.dll C:\WINDOWS\system32\rasman.dll
regapi.dll C:\WINDOWS\system32\regapi.dll
rpcrt4.dll C:\WINDOWS\system32\rpcrt4.dll
rtutils.dll C:\WINDOWS\system32\rtutils.dll
samlib.dll C:\WINDOWS\system32\samlib.dll
scecli.dll C:\WINDOWS\system32\scecli.dll
secur32.dll C:\WINDOWS\system32\secur32.dll
setupapi.dll C:\WINDOWS\system32\setupapi.dll
shdocvw.dll C:\WINDOWS\system32\shdocvw.dll
shell32.dll C:\WINDOWS\system32\shell32.dll
shlwapi.dll C:\WINDOWS\system32\shlwapi.dll
shsvcs.dll C:\WINDOWS\system32\shsvcs.dll
tapi32.dll C:\WINDOWS\system32\tapi32.dll
urlmon.dll C:\WINDOWS\system32\urlmon.dll
user32.dll C:\WINDOWS\system32\user32.dll
userenv.dll C:\WINDOWS\system32\userenv.dll
usp10.dll C:\WINDOWS\system32\usp10.dll
utildll.dll C:\WINDOWS\system32\utildll.dll
uxtheme.dll C:\WINDOWS\system32\uxtheme.dll
version.dll C:\WINDOWS\system32\version.dll
w32topl.dll C:\WINDOWS\system32\w32topl.dll
winhttp.dll C:\WINDOWS\system32\winhttp.dll
wininet.dll C:\WINDOWS\system32\wininet.dll
winmm.dll C:\WINDOWS\system32\winmm.dll
winscard.dll C:\WINDOWS\system32\winscard.dll
winspool.drv C:\WINDOWS\system32\winspool.drv
winsta.dll C:\WINDOWS\system32\winsta.dll
wintrust.dll C:\WINDOWS\system32\wintrust.dll
wldap32.dll C:\WINDOWS\system32\wldap32.dll
wmi.dll C:\WINDOWS\system32\wmi.dll
ws2_32.dll C:\WINDOWS\system32\ws2_32.dll
ws2help.dll C:\WINDOWS\system32\ws2help.dll
wtsapi32.dll C:\WINDOWS\system32\wtsapi32.dll
wzcdlg.dll C:\WINDOWS\system32\wzcdlg.dll
wzcsapi.dll C:\WINDOWS\system32\wzcsapi.dll
wzcsvc.dll C:\WINDOWS\system32\wzcsvc.dll