netcalc 0.3

Mark Jamsek <mark@jamsek.com>

IPv4 & IPv6 CIDR Subnet Calculator for OpenBSD and macOS written in C99

Build options for netcalc:

• Makefile
  • run make using the Makefile provided for your platform
• OpenBSD
  • cc -Werror -Wall -O3 -o netcalc netcalc.c -lm
• macOS
  • cc -Werror -Wall -O3 -o netcalc netcalc.c

$ netcalc

netcalc 0.3 IPv4 & IPv6 CIDR Subnet Calculator
usage: netcalc [-s subnets] ipaddr/prefix
 e.g.: netcalc -s 4 192.168.0.1/24
       netcalc 8c6b:dbfd:5c73:8f14:f815:a4a2:5dab:38b0/110