#ifndef DUPLICATE_H #define DUPLICATE_H struct duplicate_context; struct mail_storage_settings; #define DUPLICATE_DEFAULT_KEEP (3600 * 24) int duplicate_check(struct duplicate_context *ctx, const void *id, size_t id_size, const char *user); void duplicate_mark(struct duplicate_context *ctx, const void *id, size_t id_size, const char *user, time_t timestamp); void duplicate_flush(struct duplicate_context *ctx); struct duplicate_context *duplicate_init(struct mail_user *user); void duplicate_deinit(struct duplicate_context **ctx); #endif