函数逻辑报告

函数名称：reate_var_ref - Create a variable reference and attach it to trigger*@hist_data: The trigger that will be referencing the variable*@var_field: The VAR field to create a reference to*@system: The optional system string*@event_name: The optional event_name

函数原型：static struct hist_field *create_var_ref(struct hist_trigger_data *hist_data, struct hist_field *var_field, char *system, char *event_name)

返回类型：struct hist_field

参数：