In this... abomination, "she waved at the screen," passing a NULL pointer is a programming error, as the documentation for the function clearly states.
在这里,“她(译注:指guru)面对屏幕挥了挥手,”传入一个空指针是一个编程错误,就像这个程序的文档写的那样。
The system level error includes syntactical error, null pointer exception, web service timeout, database connection timeout, and so on.
系统级错误包括语法错误、空指针异常、web服务超时、数据库连接超时等。
Instead, the error signaled at run time would be a null-pointer exception instead of a class-cast exception.
相反,在运行时发出的错误将会是一个空指针异常而不是类强制转换异常。
Dlerror returns either NULL or a pointer to an ASCII string describing the most recent error.
dlerror返回NULL或者一个指向描述最近错误的ASCII字符串的指针。
Returns: Pointer if OK, NULL on error or end of file?
返回:若成功为指针,出错或文件尾为NULL ?
Returns: Pointer if OK, NULL on error or end of file?
返回:若成功为指针,出错或文件尾为NULL ?
应用推荐