est.c:74:24: error: expected expression before ‘class_t’ qitstu(class_t *cls); ^~~~~~~
时间: 2024-02-15 22:44:56 浏览: 112
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This error message indicates that there is a syntax error in your code on line 74. The compiler is expecting an expression before the identifier "class_t", but it cannot find one.
It is possible that you have not defined the "class_t" type properly, or that you are trying to use it in a way that is not allowed. Without seeing more of your code, it is difficult to say exactly what the problem is.
To fix this error, you should check your code on or around line 74 and make sure that you are using the "class_t" type correctly. You may also want to review your code for any other syntax errors or missing declarations that could be causing problems.
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