getting total physical memory

FROM : Alex Reynolds
DATE : Mon Nov 18 05:32:18 2002

I am trying to get the total amount of system memory into a value I can
use.

I have the following imports in my header:

   #import <mach/mach.h>
   #import <mach/host_info.h>

and I am trying to declare the following struct pointer variable, as
indicated by host_info.h:

   host_basic_info_t    hostinfo;

I want to use:

   hostinfo.memory_size

which the documentation says will return the system memory in bytes,
probably as a long or double long.

The documents at
http://www.gnu.org/software/hurd/gnumach-doc/mach_8.html say that
memory_size is part of the host_basic_info structure, but when I
compile my program with a line that refers to hostinfo.memory_size, I
get the following error:

   "request for member 'memory_size' in something not a structure or
union"

Does anyone know how to pull the system memory into a variable? Am I
importing and referencing the wrong header?

Thanks,
Alex
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