bp_new
| { beflag = 1; } beginend { $$ = bp_new(NULL, NULL, NULL, $2); }
pname : STRING ':' STRING ':' STRING { $$ = bp_new($1, $3, $5, 0); }
| STRING ':' STRING ':' NUMBER { $$ = bp_new($1, $3, NULL, $5); }
struct bt_probe *bp_new(const char *, const char *, const char *, long);