typedef struct {
FLOAT n;
FLOAT x_sq;
FLOAT x_sum;
} agr_storage;
...
agr_storage *interim_ptr;
...interim_ptr = FNC_DefMem(sizeof(agr_storage));
typedef struct {
FLOAT n;
FLOAT x_sq;
FLOAT x_sum;
} agr_storage;
...
agr_storage *interim_ptr;
...interim_ptr = FNC_DefMem(sizeof(agr_storage));