libdill: Structured Concurrency for C

NAME

ipaddr_len - returns length of the address

SYNOPSIS

#include <libdill.h>

int ipaddr_len(
    const struct ipaddr* addr);

DESCRIPTION

Returns lenght of the address, in bytes. This function is typically used in combination with ipaddr_sockaddr to pass address and its length to POSIX socket APIs.

addr: IP address object.

This function is not available if libdill is compiled with --disable-sockets option.

RETURN VALUE

Length of the IP address.

ERRORS

None.

EXAMPLE

ipaddr addr;
ipaddr_remote(&addr, "www.example.org", 80, 0, -1);
int s = socket(ipaddr_family(addr), SOCK_STREAM, 0);
connect(s, ipaddr_sockaddr(&addr), ipaddr_len(&addr));

SEE ALSO

ipaddr_equal(3) ipaddr_family(3) ipaddr_local(3) ipaddr_port(3) ipaddr_remote(3) ipaddr_setport(3) ipaddr_sockaddr(3) ipaddr_str(3)