extern void *solv_calloc(size_t, size_t);
extern void *solv_realloc(void *, size_t);
extern void *solv_realloc2(void *, size_t, size_t);
extern void *solv_calloc(size_t, size_t);
extern void *solv_realloc(void *, size_t);
extern void *solv_realloc2(void *, size_t, size_t);