src/lib-master/ipc-client.h

#ifndef IPC_CLIENT_H
#define IPC_CLIENT_H

enum ipc_client_cmd_state {
    IPC_CLIENT_CMD_STATE_REPLY,
    IPC_CLIENT_CMD_STATE_OK,
    IPC_CLIENT_CMD_STATE_ERROR
};

typedef void ipc_client_callback_t(enum ipc_client_cmd_state state,
                   const char *data, void *context);

struct ipc_client *
ipc_client_init(const char *ipc_socket_path);
void ipc_client_deinit(struct ipc_client **client);

void ipc_client_cmd(struct ipc_client *client, const char *cmd,
            ipc_client_callback_t *callback, void *context)
    ATTR_NULL(4);

#endif