I downloaded httrack 3.31 fo UNIX and get error while 
configuring:

bash-2.05b$ ./configure
.
.
.
checking for long... yes
checking size of long... 4
checking for long long... yes
checking size of long long... 8
checking long long printf format... ./configure.lineno: 
8871: Syntax error: Bad fd number
bash-2.05b$

I use FreeBSD 4.9