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ÔÐÍ£ºextern void *malloc(unsigned int num_bytes);
Í·Îļþ£º#include <alloc.h>
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#include <syslib.h>
#include <alloc.h>
main()
{
char *p;
clrscr(); // clear screen
p=(char *)malloc(100);
if(p)
printf("Memory Allocated at: %x",p);
else
printf("Not Enough Memory!\n");
free(p);
return 0;
} ¢Ú callocº¯Êý
ÔÐÍ£ºextern void *calloc(int num_elems, int elem_size);
Í·Îļþ£º#include <alloc.h>
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#include <syslib.h>
#include <alloc.h>
main()
{
char *p;
clrscr(); // clear screen
p=(char *)calloc(100,sizeof(char));
if(p)
printf("Memory Allocated at: %x",p);
else
printf("Not Enough Memory!\n");
free(p);
return 0;
} ¢Ûreallocº¯Êý
ÔÐÍ£ºextern void *realloc(void *mem_address, unsigned int newsize);
Í·Îļþ£º#include <alloc.h>
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