bug：error：too few arguments to function ‘fopen’



#define File_Path "cpu_usepercentage_file.txt"；

void open_file(){
 CPU_UsePercentage_File = fopen(File_Path,"ab");
 if(CPU_UsePercentage_File == NULL){
  printf("open CPU_UsePercentage_File error. ");
  exit(0);
 }
}

报错：

CPUUsePercentage.c:40:33: error: expected ‘)’ before ‘;’ token
CPUUsePercentage.c:40:33: error: too few arguments to function ‘fopen’

原来是因为define后面错用了分号