char *get_output_handler_parameter(xmlNode *node, const char *name, const char *default_value, const int required);
int output_handler_file(xmlNode *node, const xmlDocPtr doc, const char *xslt_file_name);
int output_handler_exec_with_args(xmlNode *node, const xmlDocPtr doc, const char *xslt_file_name);
int find_output_handler(const char *policy_file_name, const char *xslt_file_name);