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#include <fwd/mod.h>

long fwdmalloc(fwd_extern_args_t args)
{
	assert(args.argc == 1);
	size_t n = FWD_ARG_T(args, 0, size_t);
	FWD_RET(FWD_PTR, malloc(n));
	return 0;
}

long fwdrealloc(fwd_extern_args_t args)
{
	assert(args.argc == 2);
	void *ptr = FWD_ARG(args, 0, void *, FWD_PTR);
	size_t n = FWD_ARG_T(args, 1, size_t);
	FWD_RET(FWD_PTR, realloc(ptr, n));
	return 0;
}

long fwdfree(fwd_extern_args_t args)
{
	assert(args.argc == 1);
	void *ptr = FWD_ARG(args, 0, void *, FWD_PTR);
	return 0;
}

int fwdopen(fwd_state_t *state)
{
	FWD_REGISTER(state, fwdmalloc,
			FWD_PTR, FWD_T(size_t));

	FWD_REGISTER(state, fwdrealloc,
			FWD_PTR, FWD_PTR, FWD_T(size_t));

	FWD_REGISTER(state, fwdfree,
			FWD_VOID, FWD_PTR);
	return 0;
}