undefined reference to `inflateInit2_'

test32.c:(.text+0x117): undefined reference to `inflateInit2_'

test32.c:(.text+0x177): undefined reference to `inflate'

test32.c:(.text+0x1e2): undefined reference to `inflateEnd'

collect2: ld returned 1 exit status

今天再次运行以前的libnids的http协议还原程序，结果出现inflateInit2没有定义的错误。解决方法是：加上-lz。

 gcc test32.c -o test32 -lnet -lpcap -lnids -lz