Testing apr methods and IP. Compiled on FreeBSD 9.0-RELEASE with: cc -I /usr/local/include/ -I /usr/local/include/apr-1/ -L /usr/local/lib -lapr-1

gistfile1.c

#include "stdio.h"
#include "stdlib.h"

#include "apr.h"
#include "apr_network_io.h"
#include "apr_strings.h"
#include "apr_tables.h"

int main(void) {

	apr_file_t *err;
	char *ipstr;
	char hostname[APRMAXHOSTLEN + 1];
	apr_file_t *out;
	apr_pool_t *p;
	apr_status_t rv;
	apr_sockaddr_t *sockaddr;

	apr_initialize();
//	atexit(apr_terminate());

	apr_pool_create(&p, NULL);
	apr_file_open_stderr(&err, p);
	apr_file_open_stdout(&out, p);

	if((rv = apr_gethostname(hostname, APRMAXHOSTLEN, p)) != APR_SUCCESS) {
		apr_file_printf(err, "Unable to determine hostname");
		apr_pool_destroy(p);
		return EXIT_FAILURE;
	}

	if((rv = apr_sockaddr_info_get(&sockaddr, hostname, APR_UNSPEC, 0,
			APR_IPV4_ADDR_OK, p)) != APR_SUCCESS) {
		apr_file_printf(err, "Unable to determine IP");
		apr_pool_destroy(p);
		return EXIT_FAILURE;
	}

	apr_sockaddr_ip_get(&ipstr, sockaddr);

	apr_file_printf(out, "IP: %s\n", ipstr);

	apr_pool_destroy(p);
	return EXIT_SUCCESS;
}