Function silc_idcache_find_by_id
SYNOPSIS
bool silc_idcache_find_by_id(SilcIDCache cache, void *id,
SilcIDCacheList *ret);
DESCRIPTION
Find ID Cache entry by ID. This may return multiple entry and the
`ret' SilcIDCacheList is allocated. Returns TRUE if the entry was
found. The caller must free the returned SilcIDCacheList.