On Ubuntu 16.04, the instructions in README.md lead to:
cc -g -O0 -Wall -D_GNU_SOURCE -m32 -o conn conn.c
In file included from /usr/include/unistd.h:25:0,
from conn.c:1:
/usr/include/features.h:367:25: fatal error: sys/cdefs.h: No such file or directory
compilation terminated.
Makefile:8: recipe for target 'conn' failed
On Ubuntu 16.04, the instructions in README.md lead to:
Fixed with: