ss_create_invocation
sci_idx = ss_create_invocation(whoami, "5.0", NULL, &kadmin_cmds, &retval);
sci_idx = ss_create_invocation("ktutil", "5.0", (char *)NULL,
int ss_create_invocation(char *, char *, char *, ss_request_table *, int *);
sci_idx = ss_create_invocation(subsystem_name, version,