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const * 和 * const
const *使用情况如下,会报出错误:warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 如果改成 *const,则没有错误。解决 assignment discards 'const' qualifier from pointer target type 的问题
float fr = external_library_function(...) 用上述语句调用外部库函数 "external_library_function" 编译时总是报 warning:assignment discards 'const' qualifier from pointer target type 查看调用的函数源码发现其定义为 const float *external_library_function如何解决passing argument 1 of 'LCD_DrawPic' discards qualifiers from pointer target type
原文链接:http://www.cnblogs.com/nios_ii/archive/2011/10/10/2206550.html 在编译ourdev网友“Green Sheep 绿羊”的TFT测试文件时,出现诸如passing argument 1 of 'LCD_DrawPic' discards qualifiers from pointer target type的警告,双击此警告来到main实验15配置HDLC
实验任务一:实现PCA与PCB的互通 建立物理连接 配置HDLC连接协议 [RTA-Serial1/0]link-protocol hdlc //两个端口是HDLC或PPP接口,不对应协议接口是DOWN [RTA-Serial1/0]display interface Serial 1/0 Serial1/0 Current state: UP Line Output queue - Urgent queuing: Size/Length