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From: Georg <dosusb AT googlemail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: argv[0]
Date: Wed, 30 Nov 2011 09:13:52 -0800 (PST)
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Hi Rod,

thank you for your message. I tried to follow your suggestion 2, but
did not succeed. It seems to read the environment segment ok but does
not read the right environment data. Can you spot what I am doing
wrong? I am testing in a Windows XP DOS box.

Regards

Georg Potthast

#include <stdio.h>
#include <go32.h>
#include <sys/movedata.h>
#define env_size 2049

int main()
{
	int i;
	unsigned int env_address = 0;
	unsigned long the_psp = 0;
    static char environment[env_size];

	the_psp = _go32_info_block.linear_address_of_original_psp;
	dosmemget(the_psp + 0x2C, 2, &env_address);
	env_address <<= 4; //make linear address
	printf("\nENV:%04X\n",env_address);
	dosmemget(env_address, sizeof(environment), &environment);
 	for (i=0;i<env_size;i++) {printf("%c",environment[i]);}
 return 0;
}