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Memory
support
The
following routines are for dynamic memory allocation.
-
sbrk()
The functions, malloc(),
calloc(),
and realloc()
all call sbrk()
at their lowest levels. sbrk()
returns a pointer to the last memory address your application used before
more memory was allocated.
-
caddr_t
Defined elsewhere as char
*.
-
RAMSIZE
A compile-time option that
moves a pointer to heap memory and checks for the upper limit.
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