error: #28: expression must have a constant value

[吖坨]

定义是这样

typedef enum colors
{blue=1,red,yellow,green,white,orange}Colors;

typedef struct surface
{
	Colors s[4][4];
}Surface; 

void UpCornerRestore(Cube *magiccube)//????
{
		char *s[4]={"f","l","b","r"};
		int n,i;
		char ch[3];	
	while(magiccube->front.s[1][1]!=magiccube->front.s[2][2])
		MoveCube(magiccube,"u",1);
	while(!((magiccube->front.s[1][1]==magiccube->front.s[2][2]&&magiccube->front.s[1][3]==magiccube->front.s[2][2])
		&&(magiccube->left.s[1][1]==magiccube->left.s[2][2]&&magiccube->left.s[1][3]==magiccube->left.s[2][2])
		&&(magiccube->back.s[1][1]==magiccube->back.s[2][2]&&magiccube->back.s[1][3]==magiccube->back.s[2][2])
		&&(magiccube->right.s[1][1]==magiccube->right.s[2][2]&&magiccube->right.s[1][3]==magiccube->right.s[2][2])))
	{
		Surface *sur[4]={&magiccube->front,&magiccube->left,&magiccube->back,&magiccube->right};
		for(i=0;i<4;i++)
		{
			n=0;
			if(sur[i]->s[1][1]==sur[i]->s[1][3])
			{
				while(sur[(i+n)%4]->s[1][1]!=sur[(i+n)%4]->s[2][2])
				{
					MoveCube(magiccube,"u",1);
					n++;
				}

出错在Surface *sur[4]={&magiccube->front,&magiccube->left,&magiccube->back,&magiccube->right}

我使用Keil MDK中编译的
之前在Visual C++中编译 没有错误