libssh2_knownhost_get - get a known host off the collection of known
int libssh2_knownhost_get(LIBSSH2_KNOWNHOSTS *hosts,
struct libssh2_knownhost **store,
struct libssh2_knownhost *prev):
libssh2_knownhost_get(3) allows an application to iterate over all
known hosts in the collection.
store should point to a pointer that gets filled in to point to the
known host data.
prev is a pointer to a previous ’struct libssh2_knownhost’ as returned
by a previous invoke of this function, or NULL to get the first entry
in the internal collection.
Returns 0 if everything is fine and information about a host was stored
in the store struct.
Returns 1 if it reached the end of hosts.
Returns negative values for error
Added in libssh2 1.2