cc -o ftpd ftpd.o ftpcmd.o glob.o logwtmp.o popen.o vers.o /usr/src/libinet.a
ftpd.o: Undefined symbol _getusershell referenced from text segment
ftpd.o: Undefined symbol _endusershell referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _setegid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpd.o: Undefined symbol _seteuid referenced from text segment
ftpcmd.o: Undefined symbol __ctype referenced from text segment
ftpcmd.o: Undefined symbol __ctype referenced from text segment
ftpcmd.o: Undefined symbol __ctype referenced from text segment
ftpcmd.o: Undefined symbol __ctype referenced from text segment
ftpcmd.o: Undefined symbol __ctype referenced from text segment
ftpcmd.o: Undefined symbol __ctmp referenced from text segment
ftpcmd.o: Undefined symbol __ctype referenced from text segment
ftpcmd.o: Undefined symbol __ctmp referenced from text segment
popen.o: Undefined symbol _sigmask referenced from text segment
popen.o: Undefined symbol _sigmask referenced from text segment
popen.o: Undefined symbol _sigmask referenced from text segment
popen.o: Undefined symbol _sigblock referenced from text segment
make: *** [ftpd] Error 1
