c语言 for(j=4;j>=0;j--) [Error] lvalue required as left operand of assignment提示这句话什么意识,[Error] lvalue required as decrement operand 还提示这个；

c语言 for(j=4;j>=0;j--) [Error] lvalue required as left operand of assignment提示这句话什么意识,[Error] lvalue required as decrement operand 还提示这个；
c语言 for(j=4;j>=0;j--) [Error] lvalue required as left operand of assignment
提示这句话什么意识,
[Error] lvalue required as decrement operand 还提示这个；

c语言 for(j=4;j>=0;j--) [Error] lvalue required as left operand of assignment提示这句话什么意识,[Error] lvalue required as decrement operand 还提示这个；
意思是表达式中的=号左边应该有个运算符（或者变量）,你最好看看上下的语句,这句本身没错