least M objects, updating V and S as necessary. */
#define GROW_VECT(v, s, m) \
- if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
+ if ((s) < (m)) (v) = (char *) grow_vect (v, &(s), m, sizeof *(v));
extern void *grow_vect (void *, size_t *, size_t, int);