extern int ustcmd_destroy_trace(pid_t);
extern int ustcmd_setup_and_start(pid_t);
extern int ustcmd_stop_trace(pid_t);
extern int ustcmd_create_trace(pid_t);
extern int ustcmd_start_trace(pid_t);
extern int ustcmd_destroy_trace(pid_t);
extern int ustcmd_setup_and_start(pid_t);
extern int ustcmd_stop_trace(pid_t);
extern int ustcmd_create_trace(pid_t);
extern int ustcmd_start_trace(pid_t);