Here is a small C program who does not work
when compiled with Digital Mars C/C++ Compiler Version 8.49.4n

It does run Ok with
 VC 6.0
 gcc (MingW and Cygwin)
 Watcom
 lcc-win32

I think it should work with DMC.

--- result execution ---
fileno(stdin):  0040A180 0
fileno(stdout): 0040A1A0 1
fileno(stderr): 0040A1C0 2
Assertion failure: 'fp' on line 17 in file '0.c'

abnormal program termination

--- program ---
#include <stdio.h>
#include <io.h>
#include <fcntl.h>
#include <assert.h>
#include <stdlib.h>
#ifdef __CYGWIN__
#include <unistd.h>
#endif
int main( )
{
 FILE *fp;
 int fd;
 fprintf( stderr, "fileno(stdin):  %p %d\n", stdin, fileno(stdin) );
 fprintf( stderr, "fileno(stdout): %p %d\n", stdout, fileno(stdout) );
 fprintf( stderr, "fileno(stderr): %p %d\n", stderr, fileno(stderr) );
 fd = fileno(stdout); assert(fd!=-1);
 fp = fdopen(fd,"w"); assert(fp);
 fprintf(fp, "Ok.\n");
 fclose(fp);
 return 0;
}