Pexecname
if (Pexecname(P, exec, sizeof (exec)) == NULL ||
if (Pexecname(P, execname, sizeof (execname)) != NULL)
aout_path = Pexecname(t->t_pshandle, execname, MAXPATHLEN);
if (Pexecname(P, execname, sizeof (execname)) == NULL) {
datap.pd_execname = Pexecname(Pr, execname,
if (Pexecname(P, buf, sizeof (buf)) != NULL) {
extern char *Pexecname(struct ps_prochandle *, char *, size_t);