you need latest 
  libnet: http://www.packetfactory.net/libnet
  libpcap: http://www.tcpdump.org

# tar xfvz b-scan.tar.gz
# make
# cd modules
# make
# cd ..
# ./bscan -h

Successfully compiled on:
 Debian Linux fhs 2.4.0-test10 i586 unknown
 RedHat Linux wu.sec 2.2.17 i586 unknown
 SunOS 5.7 Generic_106541-04 sun4c sparc
 SunOS 5.8 Generic sun4m sparc
 



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