C/C++使用技巧1001例一书的配套代码

				#include 
				#include 
				#include 
				
				void main(void)
				 {
				   char far *dta;
				
				   dta = getdta();
				
				   printf("Current DTA is %lX\n", dta);
				 
				   if (MK_FP(_psp, 0x80) == dta)
				     printf("DTA is at same location as command line\n");
				
				   dta = _fmalloc(128);
				   setdta(dta);
				
				   printf("New DTA is %lX\n", getdta());
				 }