작은숲:위키노트/C 언어 예제/mcopy() 함수 만들기
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/**
* Copyright (c) 2001,2002 Yoon, Hyunho <hhyoon@kldp.org>
* http://mooo.org
* ----------------------------------------------------------------------
*
* LICENSE
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
int *mcopy(int *ptr, int size);
int main()
{ int i;
int a= { 1, 2, 3, 4 };
int *b;
b = mcopy(a, sizeof(a));
for (i = 0; i < 4; i++)
printf("b[%d] = %d\n", i, b[i]);
free(b);
return 0;
}int *mcopy(int *ptr, int size)
{ unsigned int i;
int *temp;
if ((temp = malloc(size)) == NULL) {
printf("Insufficient memory available!\n");
exit(0);
}
for (i = 0; i < size / sizeof(int); i++)
temp[i] = ptr[i];
return (temp);
}