如何在MSVC中使用intsafe.h函数？-解网

问：

我正在尝试使用带有 MSVC 的 intsafe.h 标头编译一个简单的程序：

#include <intsafe.h>

int main(void) {
  int result;
  return IntAdd(10, 10, &result);
}

尝试编译此程序时，我从链接器收到错误

/opt/msvc/bin/x86/cl test.c 
Microsoft (R) C/C++ Optimizing Compiler Version 19.37.32825 for x86
Copyright (C) Microsoft Corporation.  All rights reserved.

test.c
Microsoft (R) Incremental Linker Version 14.37.32825.0
Copyright (C) Microsoft Corporation.  All rights reserved.

/out:test.exe 
test.obj 
test.obj : error LNK2019: unresolved external symbol _IntAdd referenced in function _main
test.exe : fatal error LNK1120: 1 unresolved externals

但是，我找不到 IntAdd 符号存在的位置。我对 MSVC 发行版附带的所有 .lib 文件使用了 dumpbin，但没有一个文件显示此符号。IntAdd 的文档也没有提到任何库（与其他类似的函数相比），所以我不确定该告诉链接器什么

c Windows WinAPI

/////////////////////////////////////////////////////////////////////////
//
// signed operations
//
// Strongly consider using unsigned numbers.
//
// Signed numbers are often used where unsigned numbers should be used.
// For example file sizes and array indices should always be unsigned.
// (File sizes should be 64bit integers; array indices should be size_t.)
// Subtracting a larger positive signed number from a smaller positive
// signed number with IntSub will succeed, producing a negative number,
// that then must not be used as an array index (but can occasionally be
// used as a pointer index.) Similarly for adding a larger magnitude
// negative number to a smaller magnitude positive number.
//
// intsafe.h does not protect you from such errors. It tells you if your
// integer operations overflowed, not if you are doing the right thing
// with your non-overflowed integers.
//
// Likewise you can overflow a buffer with a non-overflowed unsigned index.
//

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如何在MSVC中使用intsafe.h函数？

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