如果当前变量x是个结构体而你却使用了x->num的方式访问,就属会出现上面的报错。
如果你使用的变量x是个结构体，应该用.访问其成员，如：x.num 如果你使用的变量x是个结构体指针，应该用->访问其成员，如：x->num 如果当前变量x是个结构体而你却使用了x->num的方式访问，就会出现上面的报错。
common resource common scale of notat common section common segment common segment bit common sense reasonin common series common service layer common sinopodophyllu common size income st common software common statement common stocks and unc common storage common storage area common straight carbo comm...
complete penetrance complete pointer complete prohibition complete protect equi complete randomizatio complete records complete sample of ac complete self-discipl complete set of equip complete set of illum complete set up forc complete sets of complete source code complete synonyms complete tempering comp...
现象:“.c”后缀名改为“.cpp”时java调用native失败 。 解决:加入“extern "C"”。 现象:“error: base operand of '->' has non-pointer type '_JNIEnv'”错误。 解决:将“(*env)->NewStringUTF(env, "HelloWorld from JNI !");”改为“env->NewStringUTF("HelloWorld from JNI !")”。
C program not linking to CRT calls memset() for unknown reasons C/C++ : converting std::string to const char* I get the error : left of '.c_str' must have class/struct/union type is 'char *' C# to C++ dll - how to pass strings as In/Out parameters to unmanaged functions that ...
Compiler warning (level 4) C5228 nonstandard extension, 'identifier' resolved to a member of a dependent base. This lookup is not allowed under /permissive-. Compiler warning (level 4) C5229 nonstandard extension, the hidden friend function 'function-name' was found by name lookup which isn...
error C2039: ‘identifier1’ : is not a member of ‘identifier2’ 中文对照:(编译错误)标识符1不是标识符2的成员 分析:程序错误地调用或引用结构体、共用体、类的成员 error C2041: illegal digit ‘x’ for base ‘n’ 中文对照:(编译错误)对于n进制来说数字x非法 ...
t.c:5:11: error: indirection requires pointer operand ('int' invalid) int y = *SomeA.X; ^~~~ 类型预留 下面的例子说明了在C语言中保存一个类型定义是很重要的。 $ clang -fsyntax-only t.c t.c:15:11: error: can't convert between vector values of different size ('__m128' and 'int...
When you return from the function, all the local variables on the stack go out of scope. You do this by setting the stack pointer back to the base pointer (which was the "previous" top before the function call). Doing memory allocation this way is very, very fast and efficient. ...