Open the file referred to by the specified fileName for read‐only access, and if it opens successfully, set d_reader to a FileReader type and bind it to the opened file. Return 0 on success and a non‐zero value otherwise.
Open the file referred to by the specified fileName for read‐only access, and if it opens successfully, set d_reader to a FileReader type and bind it to the opened file. Return 0 on success and a non‐zero value otherwise.