sdt_tracepoint
struct sdt_tracepoint *tp;
struct sdt_tracepoint *tp_begin, *tp_end;
for (struct sdt_tracepoint *tp = tp_begin; tp < tp_end; tp++) {
struct sdt_tracepoint *tp_begin, *tp_end;
for (struct sdt_tracepoint *tp = tp_begin; tp < tp_end; tp++) {
struct sdt_tracepoint *tp2;
struct sdt_tracepoint *tp3;
STAILQ_ENTRY(sdt_tracepoint) tracepoint_entry;
STAILQ_HEAD(, sdt_tracepoint) tracepoint_list;