/usr/bin/ld:
Warning: Linking some objects which contain exception information sections
and some which do not. This may cause fatal runtime exception handling
problems (last obj encountered without exceptions was async_io.o).
gcc -g -O -Wall -I. -I../include -I./../include   -c dnsserver.c
dnsserver.c: In function `main':
dnsserver.c:271: warning: passing arg 1 of `gethostbyaddr' from incompatible poi
nter type