Category : C Source Code
Archive   : VARRAY.ZIP
Filename : VARTEST.C

 
Output of file : VARTEST.C contained in archive : VARRAY.ZIP
Listing Three

/* Example Program Using Virtual Arrays */

#include

/* Access Macros */

#define VREC(i) ((items *)access_v_rec(item_array,i))
#define item(i) VREC(i)->v_item
#define qty(i) VREC(i)->v_qty
#define desc(i) VREC(i)->v_desc

/* Array element structure typedef */

typedef struct {
int v_item,
v_qty;
char v_desc[24];
} items;

main()
{
VACB *item_array;
long i;

/* create a virtual array setting element size to */
/* the size of items structure and setting the */
/* initialization char to the space char */

init_v_array("ITEMS.VAR",sizeof(items),' ');

/* open the virtual array, reserve buffer space for 10 elements */

item_array = open_v_array("ITEMS.VAR",10);


/* create 50 array items */

for (i = 0; i < 50 ; i++) {
item(i) = i + 1;
qty(i) = 0;
sprintf(desc(i)," Item # %ld", i + 1);
}

/* print contents of the 50 array items */
/* plus the ascii code of last char in v_desc */

for (i = 0; i < 50; i++)
printf("Element # %ld Item = %d Qty = %d Desc = %s %d\n",
i, item(i), qty(i), desc(i), (int) desc(i)[23]);

/* close virtual array */

close_v_array(item_array);
}


  3 Responses to “Category : C Source Code
Archive   : VARRAY.ZIP
Filename : VARTEST.C
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

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  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

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