从远堆中分配存储块

[c]代码库

#include <stdio.h>
#include <alloc.h>
#include <string.h>
#include <dos.h>

int main ( void )
{
	char far *fptr;
	char *str = "Hello";

	/* allocate memory for the far pointer */
	fptr = farmalloc ( 10 );

	/* copy "Hello" into allocated memory */
	/*
	   Note: movedata is used because we might
	   be in a small data model, in which case
	   a normal string copy routine can not be
	   used since it assumes the pointer size
	   is near.
	*/
	movedata ( FP_SEG ( str ), FP_OFF ( str ),
	           FP_SEG ( fptr ), FP_OFF ( fptr ),
	           strlen ( str ) );

	/* display string (note the F modifier) */
	printf ( "Far string is: %Fs\n", fptr );

	/* free the memory */
	farfree ( fptr );

	return 0;
}