Files:
+tests/signature.h
tests/test-poll.c
Depends-on:
sys_socket
netinet_in
arpa_inet
+sys_ioctl
extensions
inet_pton
errno
perror
sockets
+socket
+bind
+setsockopt
+listen
+connect
+accept
+ioctl
+close
configure.ac:
AC_CHECK_HEADERS_ONCE([unistd.h sys/wait.h])