INTERNAL_FUNC int emcore_convert_string_to_structure(const char *encoded_string, void **struct_var, email_convert_struct_type_e type);
INTERNAL_FUNC int emcore_save_mail_file(char *multi_user_name, int account_id, int mail_id, int attachment_id, char *src_file_path, char *file_name, char *full_path, char *virtual_path, int *err_code);
INTERNAL_FUNC int emcore_convert_string_to_structure(const char *encoded_string, void **struct_var, email_convert_struct_type_e type);
INTERNAL_FUNC int emcore_save_mail_file(char *multi_user_name, int account_id, int mail_id, int attachment_id, char *src_file_path, char *file_name, char *full_path, char *virtual_path, int *err_code);