talloc()

[Luke Kenneth Casson Leighton]

> > a block off the minimal size returned by sma. Would this be
> > preferred behaviour?
> 
> First and important:
> 
> One should _NEVER_ realloc memory from talloc(), that
> memory is (like sma) not realy under normal
> malloc/free-control.

i had to write a trealloc() for cliffs.

i have done a lot of temp-alloc (strings, marshalling, unmarshalling)
already in cliffs, if anyone is interested.