final code2.c:9:1: warning: implicit declaration of function 'choice' is invalid in C99 [-Wimplicit-function-declaration]
choice();
^
final code2.c:12:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
choice()
^~~~~~
final code2.c:23:1: warning: implicit declaration of function 'wrong' is invalid in C99 [- Wimplicit-function-declaration]
wrong();
^
final code2.c:25:1: warning: implicit declaration of function 'formula1' is invalid in C99 [-Wimplicit-function-declaration]
formula1();
^
final code2.c:27:1: warning: implicit declaration of function 'formula2' is invalid in C99 [-Wimplicit-function-declaration]
formula2();
^
final code2.c:29:1: warning: implicit declaration of function 'formula3' is invalid in C99 [-Wimplicit-function-declaration]
formula3();
^
final code2.c:30:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
final code2.c:32:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
wrong()
^~~~~
final code2.c:35:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
final code2.c:37:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
formula1()
^~~~~~~~
final code2.c:47:1: warning: implicit declaration of function 'question' is invalid in C99 [-Wimplicit-function-declaration]
question();
^
final code2.c:50:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
final code2.c:52:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
formula2()
^~~~~~~~
final code2.c:63:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
final code2.c:65:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
formula3()
^~~~~~~~
final code2.c:85:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
final code2.c:87:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
question()
^~~~~~~~
final code2.c:99:1: warning: control reaches end of non-void function [-Wreturn-type]
}
我有这些警告,我一直试图摆脱我的代码。 每个警告意味着什么,什么是摆脱它们的最佳方式?这些警告意味着什么C
你可以发布导致警告的代码吗? – Mgetz
您能否提供代码?这些错误非常普遍。 – Lorenz
我认为这些警告来自这个问题的来源:http://stackoverflow.com/q/17346374/694576 – alk