ptr=malloc(x)

function ptr=malloc(x)
% ptr/malloc: create a pointer to variable
% usage: ptr = malloc
%        ptr = malloc(x)
%
% malloc assigns a slot in virtual memory to store the variable (or [] if x
% is not provided) and returns a pointer to it.
% 
%
% See also: mread, mwrite, malloc, mfree

% Author: Ben Petschel 31/8/2009
% Version History:
%   31/8/2009 - initial release


if nargin==0
  ptr = mmgr(3);
else
  ptr = mmgr(3,x);
end;