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Power-Programmierung
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msysjour
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vol03
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05
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msctsr
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locs.c
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C/C++ Source or Header
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1988-08-31
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994b
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29 lines
/* Figure 3. locs.c, a program that shows how to determine the size of a
/* program. */
#include <dos.h>
extern unsigned int _psp, end;
extern unsigned char _osmajor, _osminor;
main()
{
char huge *startofitall;
char huge *endofitall;
unsigned blength; /* byte length: psp + text + data */
unsigned plength; /* paragraph length */
printf("Dos version %d.%d\n", _osmajor,_osminor);
FP_SEG(startofitall) = _psp;
FP_OFF(startofitall) = 0;
endofitall = (char huge *)&end;
blength = endofitall - startofitall; /* bytes */
plength = blength;
if (plength & 0xf) /* round up to next 16 byte para */
plength += 0x10;
plength >>= 4; /* convert to paragraphs */
printf("start %Fp, end %Fp, size %u (bytes) %u (paragraphs)\n",
startofitall, endofitall, blength, plength);
}