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/* nd.c
*/
#include <xos.h>
#include <fitsy.h>
void *ft_alloc2d(size, xstar, ystar, xsize, ysize)
int size;
int xstar;
int ystar;
int xsize;
int ysize;
{
void *ptr;
Malloc(ptr, xsize * ysize * size);
return ft_make2d(ptr, size, xstar, ystar, xsize, ysize);
}
char **ft_make2d(ptr, size, xstar, ystar, xsize, ysize)
char *ptr;
int size;
int xstar;
int ystar;
int xsize;
int ysize;
{
char **ptr2d;
if ( ptr == NULL ) return NULL;
Malloc(ptr2d, ysize * sizeof(void *));
if ( ptr2d == NULL ) return NULL;
for (; ysize--;) {
ptr2d[ysize] = ptr + xsize * ysize * size - xstar * size;
}
return ptr2d - ystar;
}
void ft_free2d(ptr2d, size, xstar, ystar)
char **ptr2d;
int size;
int xstar;
int ystar;
{
free(&ptr2d[ystar][xstar * size]);
free(&ptr2d[ystar]);
}
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