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Misc
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linkedlist.b
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1994-01-10
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796b
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49 lines
'..a linked list using ACE structures.
deflng a-z
struct node
string nm
address nxt
end struct
declare struct node *head,*new.item,*curr,*temp
sub make.node
make.node = Alloc(sizeof(node),2)
end sub
'..create head of list
head = make.node
if head = NULL then
print "head node can't be allocated!"
stop
end if
head->nm = ""
head->nxt = NULL
curr = head
'..create list
repeat
input "type a name (or QUIT): ";x$
new.item = make.node
if new.item <> NULL then
new.item->nm = x$
new.item->nxt = NULL
curr->nxt = new.item
curr = curr->nxt
else
print "new node can't be allocated!"
end if
until ucase$(x$) = "QUIT" or new.item=NULL
'..traverse list
cls
curr = head->nxt
while curr <> NULL
if ucase$(curr->nm) <> "QUIT" then print curr->nm
curr = curr->nxt
wend