-extern int ustcmd_set_marker_state(const char *, int, pid_t);
-extern int ustcmd_set_subbuf_size(const char *, pid_t);
-extern int ustcmd_set_subbuf_num(const char *, pid_t);
-extern int ustcmd_get_subbuf_size(const char *, pid_t);
-extern int ustcmd_get_subbuf_num(const char *, 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);
-extern int ustcmd_alloc_trace(pid_t);
+extern int ustcmd_set_marker_state(const char *channel, const char *marker,
+int state, pid_t pid);
+extern int ustcmd_set_subbuf_size(const char *channel, unsigned int subbuf_size,
+ pid_t pid);
+extern int ustcmd_set_subbuf_num(const char *channel, unsigned int num,
+ pid_t pid);
+extern int ustcmd_get_subbuf_size(const char *channel, pid_t pid);
+extern int ustcmd_get_subbuf_num(const char *channel, pid_t pid);
+extern int ustcmd_destroy_trace(pid_t pid);
+extern int ustcmd_setup_and_start(pid_t pid);
+extern int ustcmd_stop_trace(pid_t pid);
+extern int ustcmd_create_trace(pid_t pid);
+extern int ustcmd_start_trace(pid_t pid);
+extern int ustcmd_alloc_trace(pid_t pid);