extern int ike_alg_init(void); int ike_alg_init(void) { { extern int ike_alg_aes_init (void); ike_alg_aes_init();} { extern int ike_alg_blowfish_init (void); ike_alg_blowfish_init();} { extern int ike_alg_serpent_init (void); ike_alg_serpent_init();} { extern int ike_alg_sha2_init (void); ike_alg_sha2_init();} { extern int ike_alg_twofish_init (void); ike_alg_twofish_init();} return 0;}