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