Function silc_net_gethostbyaddr
SYNOPSIS
bool silc_net_gethostbyaddr(const char *addr, char *name,
uint32 name_len);
DESCRIPTION
Resolves the hostname for the IP address indicated by the `addr'
This returns TRUE and the resolved hostname, or FALSE on error.
The `addr' may be either IPv4 or IPv6 address. This is
synchronous function and will block the calling process.