PNULL
pprevious = pgetcurr(PNULL);
if (pcurrent == PNULL)
if ((pcurrent = pgetcurr(PNULL)) == PNULL)
if (pprevious == PNULL)
np = PNULL;
struct process *xp = PNULL;
if (xp == PNULL)
pcurrjob = PNULL;
for (pp = (&proclist)->p_next; pp != PNULL; pp = pp->p_next)
for (pp = proclist.p_next; pp != PNULL; pp = pp->p_next) {
for (pp = (fp = &proclist)->p_next; pp != PNULL; pp = (fp = pp)->p_next)
for (pp = proclist.p_next; pp != PNULL; pp = pp->p_next)
if (pprevious != PNULL) {
pcurrjob = PNULL;
pholdjob = PNULL;
for (pp = proclist.p_next; pp != PNULL; pp = pp->p_next)