Hi,
I am trying to compile a very simple libiptc test program, but I am getting:
[root@test netfilter]# gcc -Wall -Wunused -I/usr/include
-DNETFILTER_VERSION=\"1.4.7\" -rdynamic -lip4tc -o test_iptc
test_iptc.c
test_iptc.c: In function ‘main’:
test_iptc.c:21: error: storage size of ‘h’ isn’t known
test_iptc.c:21: warning: unused variable ‘h’
It is the sample program I adopted from the how-to documentation.
Could someone please give me some help?
Thank you in advance for your kind help.
My test program is :
#include <getopt.h>
#include <sys/errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#include <time.h>
#include "libiptc/libiptc.h"
#include "iptables.h"
int main(void)
{
struct iptc_handle_t h ;
const char *chain = NULL;
const char *tablename = "filter";
// char * program_name = "p1";
// char * program_version = NETFILTER_VERSION;
h = iptc_init(tablename);
if ( !h ) {
printf("Error initializing: %s\n", iptc_strerror(errno));
exit(errno);
}
for (chain = iptc_first_chain(&h); chain; chain = iptc_next_chain(&h)) {
printf("%s\n", chain);
}
exit(0);
} /* main */
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