determining size of physical memory

[Heiko Blume]

>In article <1990Dec27.202715.27688 at Neon.Stanford.EDU>, hitt at Neon.Stanford.EDU (Daniel Hitt) writes:
> Is there a standard UNIX program or system call that determines
> the size of the physical memory of the machine on which it is
> running?
> 
> I'd like to be able to do this on Ultrix, SunOS, and the NeXT OS,
> and possibly HP-UX.

sounds like you'll have to use #ifdef :-) anyway, you might look for
'machine specific' system calls, for example sys V/386 (interactive
in my case) lets you do 

#include <sys/sysi86.h>
long bytes;
bytes=sysi86(SI86MEM);
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