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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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v_01_06
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1n06058a
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1990-08-24
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808b
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36 lines
/*
* Microsoft C version of Print Screen routine,
* compiled under C 6.0
*/
#include <dos.h>
/* Macro to peek at a specific memory address */
#define peek(addr) (*(unsigned char _far *)addr)
union REGS inregs, outregs;
void main()
{
int status;
/* Call Interrupt 05h to print the screen */
int86( 0x05, &inregs, &outregs );
/* Get value in Print Screen status byte */
status = peek(0x00500000);
if (status == 0) /* Print Screen successful */
exit (0);
else if (status == 1) /* Print Screen in progress */
printf("Screen printing in progress.\n");
else /* Error occured */
{
printf("Error - couldn't print the screen.\n");
exit(0);
}
}