: UNIX

2.6

2.6

1. :

grep main a.c b.c c.c grepout&

wc -1 grepout&

rm grepout&

( "&") shell , , shell . ?

grep main a.c b.c c.c | wc -1

2. , 2.7. , , , :

remove(gp)

struct queue *gp;

{

gp-forp-backp = gp-backp;

gp-backp-forp = gp-forp;

gp-forp = gp-backp = NULL;

}

:

bp1.

, bp1.

, bp1 , bp .

, , ?

3. , , , ?


: 0.073. /Cache: 5 / 0