Simple TCP Port Scanner Compilation Time: Nov 17 2017 10:30:52 Options: -h <n> Host/s [e.g. 192.168.1.0/24] -o <n> Output file -p <n> Port/s to scan. -t <n> Timeout seconds [default 5] -s <n> Parallel sockets [default 256] -m <n> Internal sleep time [default 500ms] -v Verbose. Examples: ./cscan -p 1-1000 -v -s 512 -t 2 -h 192.168.0.2 ./cscan -p 22 -o ip.log -u 500 -h 192.168.0.0/16 gcc -Wall -std=gnu11 cscan.c -o cscan