whats wrong with this

i've been trying to run this program for half a day now:
i type this at the command line to compile(with digital mars)

C:\dm\bin\sc hsport
the files are attached and i get this msgbox with the msg:
...."this is not an winnt valid app"...

so i try this

C:\dm\bin\sc hsport > text.txt

i get :

link hsport,,,user32+kernel32/noi;

OPTLINK (R) for Win32 Release 7.50B1
Copyright (C) Digital Mars 1989 - 2001 All Rights Reserved

hsport.obj(hsport)
Error 42: Symbol Undefined ?print_it@port@@QAEXXZ (void syscall port::print_it(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?copyright@port@@QAEXXZ (void syscall port::copyright(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?usage@port@@QAEXPAD@Z (void syscall port::usage(char *))
hsport.obj(hsport)
Error 42: Symbol Undefined ?setecho@port@@QAEXH@Z (void syscall port::setecho(int ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?setistty@port@@QAEXH@Z (void syscall port::setistty(int ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?token@port@@QAEPADPADPAPAD@Z (char *syscall port::token(char *,char **))
hsport.obj(hsport)
Error 42: Symbol Undefined ?rep_io@port@@QAEXH@Z (void syscall port::rep_io(int ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?setport@port@@QAEXI@Z (void syscall port::setport(unsigned ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?getentrymode@port@@QAEHXZ (int syscall port::getentrymode(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?setbyte@port@@QAEXI@Z (void syscall port::setbyte(unsigned ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?setentrymode@port@@QAEXH@Z (void syscall port::setentrymode(int ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?getport@port@@QAEIXZ (unsigned syscall port::getport(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?toggle_bit@port@@QAEXI@Z (void syscall port::toggle_bit(unsigned ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?getbyte@port@@QAEIXZ (unsigned syscall port::getbyte(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?wrtport@port@@QAEXXZ (void syscall port::wrtport(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?rdport@port@@QAEXXZ (void syscall port::rdport(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?getecho@port@@QAEHXZ (int syscall port::getecho(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?prompt@port@@QAEXXZ (void syscall port::prompt(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?author@port@@QAEXXZ (void syscall port::author(void ))
hsport.obj(hsport)
Error 42: Symbol Undefined ?getinput@port@@QAEXHPAPAD@Z (void syscall port::getinput(int ,char **))
hsport.obj(hsport)
Error 42: Symbol Undefined ??0port@@QAE@XZ (syscall port::port(void ))

--- errorlevel 21