do_ktrace
(void)do_ktrace(outfile, vers, ops, trpoints, pid, block);
if (do_ktrace(outfile, vers, ops, trpoints, getpid(), block) == 1) {
(void)do_ktrace(outfile, vers, ops, trpoints, getpid(), block);
(void)do_ktrace(outfile, vers, ops, trpoints, pid, block);
static int do_ktrace(const char *, int, int, int, int, int);