Uncategories MAIN.C Alternate, standalone main() file. Demonstrates linking to the startup code without having to link to any of the Turbo C library routines.

MAIN.C Alternate, standalone main() file. Demonstrates linking to the startup code without having to link to any of the Turbo C library routines.

Copyright (c) 1987,88 Borland International.  All rights reserved.
*/

/*

Compile and link with:

tcc -c -ms main
tasm c0 /D__SMALL__ /D__NOFLOAT /t/mx;
tasm setargv /D__SMALL__ /t/mx;
tlink c0 main setargv /c/m,main

For another memory model, replace __SMALL__ with one of
__MEDIUM__, __COMPACT__, __LARGE__, __HUGE__

If using tiny model, replace __SMALL__ with __TINY__ and run
exe2bin main.exe main.com
del main.exe

Resulting main.exe has no references to the library.
Caution: This example works only with no floating point code.
*/

#include <dos.h>
#include <stdlib.h>

void exit(int c)
{ _exit(c);}

void _setenvp(void){} /* dummy out _setenvp */

unsigned _stklen = 0x200;
unsigned _heaplen = 0;

void main()
{
/* print Hello, world using int 21, function 9 */
_DX = (unsigned) "Hello, world.\r\n$";
_AX = 0x900;
__int__(0x21); /* use built-in, inline function */
exit(0);
}


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