hcache_t *mutt_hcache_open(const char *path, const char *folder);
void mutt_hcache_close(hcache_t **db);
-HEADER *mutt_hcache_restore(const unsigned char *d, HEADER **oh);
+HEADER *mutt_hcache_restore(const void *d, HEADER **oh);
void *mutt_hcache_fetch(hcache_t *db, const char *filename,
ssize_t (*keylen)(const char *fn));
int mutt_hcache_store(hcache_t *db, const char *filename, HEADER *h,
- unsigned long uid_validity,
+ long uid_validity,
ssize_t (*keylen)(const char *fn));
int mutt_hcache_delete(hcache_t *db, const char *filename,
ssize_t (*keylen)(const char *fn));