tostring，

tostring，

#define OPEN_FILE_RD_SUC 1


char *FileStateValueToMacro(int dwState)
{
#define ValueToMacro(x)  if(x == dwState)  return #x;


ValueToMacro(OPEN_FILE_RD_SUC)



#undef ValueToMacro
return "<Unknown FileState>";
}




void main()
{
int i =1;


printf("%s\n",FileStateValueToMacro(i));


}