keys_find
const char *keys_find(struct keys *keys, const char *name);
send_targets = keys_find(request_keys, "SendTargets");
auth_method = keys_find(request_keys, "AuthMethod");
chap_a = keys_find(request_keys, "CHAP_A");
chap_n = keys_find(request_keys, "CHAP_N");
chap_r = keys_find(request_keys, "CHAP_R");
chap_i = keys_find(request_keys, "CHAP_I");
chap_c = keys_find(request_keys, "CHAP_C");
initiator_name = keys_find(request_keys, "InitiatorName");
initiator_alias = keys_find(request_keys, "InitiatorAlias");
session_type = keys_find(request_keys, "SessionType");
target_name = keys_find(request_keys, "TargetName");
target_address = keys_find(response_keys, "TargetAddress");
chap_a = keys_find(response_keys, "CHAP_A");
chap_c = keys_find(response_keys, "CHAP_C");
chap_i = keys_find(response_keys, "CHAP_I");
chap_n = keys_find(response_keys, "CHAP_N");
chap_r = keys_find(response_keys, "CHAP_R");
auth_method = keys_find(response_keys, "AuthMethod");