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#include <stdio.h> struct entry { int val; struct entry *next; }n1,n2,n3; int main() { n1.val=100; n1.next=&n2; n2.val=200; n2.next=&n3; n3.val=300; n3.next=0l; const entry* ptr = &n1; do { printf("%d\n",ptr->val); } while( (ptr=ptr->next, ptr) !=0l ); return 0; }
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