Entry point NtProcessStartup(...) apps Building ?

I developed a small program in Vc++ 6.0. It’s entry point is
NtProcessStartup( PSTARTUP_ARGUMENT ). I used only NT Native APIs
inside it.

How to build this application ?

I used BUILD utility. In SOURCES file i wrote something like
this,
TARGETNAME=Raj
TARGETTYPE=PROGRAM

UMTYPE=NT
UMENTRY=NtProcessStartup
SOURCES=Raj.c
While Linking it is searching for _main symbol.

From,
Raja Reddy.