keil环境下GUI.C(213):warningC275:expressionwithpossiblynoeffect这是是怎么回事?
源码如下:
voidcursorcov(unsignedchar**stylen,unsignedcharn)
{
x05unsignedchari,j;
x05stylecursorb=calloc(n,(32*(sizeof(unsignedchar))));
x05for(i=0;i