OpenSSL/Engine architecture



To print a list of engines:

ENGINE *e; int nengines = 0;

ENGINE_load_builtin_engines ;

for (e = ENGINE_get_first  ;  e != NULL  ;  e = ENGINE_get_next (e)) {     printf ("engine: %s\n", ENGINE_get_name (e)); nengines++; }

printf ("%d engines\n", nengines);