작은숲:위키노트/C 언어 예제/mcopy() 함수 만들기
<syntaxhighlight lang="c"> /**
* 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);
}</source>