Category : C++ Source Code
Archive : C_ALL.ZIP
Filename : TI803.ASC
Output of file : TI803.ASC contained in archive : C_ALL.ZIP
PRODUCT : C++ NUMBER : 803
VERSION : All
OS : PC DOS
DATE : August 12, 1992 PAGE : 1/1
TITLE : Dynamically Allocated Multidimensional Arrays
#include
#include
#define ROW 10
#define COLUMN 15
typedef int ARRAYTYPE;
typedef ARRAYTYPE * ARRAYTYPEPTR;
/* Declare the 2D array as a pointer to a pointer to
ARRAYTYPE */
/* Note there is no memory allocated for the array yet.
*/
ARRAYTYPEPTR *array;
void main()
{
int i, j;
/* First, allocate an array of pointers to ARRAYTYPE of ROW
*/
/* elements. Next, looping through the array of pointers,
*/
/* allocate arrays of ARRAYTYPE of COLUMN elements and
assign */
/* them to the pointers. This assigns the necessary memory
to */
/* the array, which you can then index via the [] operators.
*/
array = (ARRAYTYPEPTR *) malloc (ROW * sizeof(ARRAYTYPEPTR));
for (i = 0; i < ROW; i++)
array[i] = (ARRAYTYPEPTR) malloc (COLUMN * sizeof
(ARRAYTYPE));
/* Fill array with unique values */
for (i = 0; i < ROW; i++)
for (j = 0; j < COLUMN; j++)
array[i][j] = (COLUMN * i) + j;
/* Print out array to make sure everything's OK */
PRODUCT : C++ NUMBER : 803
VERSION : All
OS : PC DOS
DATE : August 12, 1992 PAGE : 2/1
TITLE : Dynamically Allocated Multidimensional Arrays
for (i = 0; i < ROW; i++) {
for (j = 0; j < COLUMN; j++)
printf("%4d",array[i][j]);
putchar('\n');
}
}
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subject to the terms of the No-Nonsense License Statement that
you received with the Borland product to which this information
pertains.
Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!
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