64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
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/***********************************************************************\
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* *
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* LIST1.C Copyright (C) 1993 Sequiter Software Inc. *
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* *
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\***********************************************************************/
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/* See User's Manual, page 163 */
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#include "d4all.h"
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#ifdef __TURBOC__
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extern unsigned _stklen = 10000;
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#endif
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typedef struct
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{
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LINK4 link;
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int age;
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}AGES;
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void print_list(LIST4 *);
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void main()
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{
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LIST4 age_list;
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AGES first_age,middle_age,last_age;
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memset(&age_list,0,sizeof(age_list));
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first_age.age = 3;
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middle_age.age = 5;
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last_age.age = 7;
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l4add(&age_list,&middle_age);
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l4add_before(&age_list,&middle_age,&first_age);
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l4add_after(&age_list,&middle_age,&last_age);
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print_list(&age_list);
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l4remove(&age_list,(void *) &middle_age);
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print_list(&age_list);
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l4pop(&age_list);
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print_list(&age_list);
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}
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void print_list(LIST4 *list)
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{
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AGES *age_ptr;
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printf("\nThere are %d links\n",list->n_link);
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age_ptr =(AGES *) l4first(list);
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while(age_ptr != NULL)
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{
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printf("%d\n",age_ptr->age);
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age_ptr = (AGES *) l4next(list,age_ptr);
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}
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age_ptr = (AGES *) list->selected;
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}
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