The user can @code{#include <alloca.h>} on all platforms, and use
@code{alloca} on those platforms where the preprocessor macro HAVE_ALLOCA
evaluates to true. If HAVE_ALLOCA is false, the code should use a heap-based
The user can @code{#include <alloca.h>} on all platforms, and use
@code{alloca} on those platforms where the preprocessor macro HAVE_ALLOCA
evaluates to true. If HAVE_ALLOCA is false, the code should use a heap-based