https://stackoverflow.com › questions › 22197030
What is an 'undeclared identifier' error and how do I fix it?A C++ identifier is a name used to identify a variable, function, class, module, or any other user-defined item. In C++ all names have to be declared before they are used. If you try to use the name of a such that hasn't been declared you will get an "undeclared identifier" compile-error.
https://stackoverflow.com › questions › 23207307
How do I fix error "use of undeclared identifier n" in C?Since you want just to compare with either 'Y' or 'N' I suggest you use char instead of string. so : char name; scanf("%c", &name); than when comparing use : if (name == 'Y') ... ADD. you also should consider wrong inputs from user so add another else like :
https://hatchjs.com › c-use-of-undeclared-identifier
C++ Use of Undeclared Identifier: What It Is and How to Fix ItLearn what an undeclared identifier is, how it can cause errors, and how to avoid it in C++. Find examples, tips, and resources for debugging and preventing undeclared identifiers.
https://learn.microsoft.com › en-us › cpp › error-messages › compiler-errors-1 › compiler-error...
Compiler Error C2065 | Microsoft LearnLearn how to fix the compiler error C2065, which occurs when the identifier is undeclared, misspelled, unscoped, or not in a header file. See examples of common causes and solutions for this error.
https://thelinuxcode.com › undeclared-identifier-error-and-how-to-fix-cpp
What is an “undeclared identifier” Error and How to Fix it in C++Undeclared identifier is a common C++ compiling error that occurs when a variable, function, or object is used without being declared. Learn what causes it, how to diagnose it, and how to prevent it with this comprehensive guide.
https://openclassrooms.com › forum › sujet › probleme-avec-cout-et-cin-1
probleme "use of undeclared identifier" - OpenClassroomsLigne 1, laissez un espace entre "#include" et le "<". Je recherche un CDI/CDD/mission freelance comme Architecte Logiciel/ Expert Technique sur technologies Microsoft. rouloude. 10 juin 2020 à 17:51:35. Ça ne ressemble pas Code::Blocks ! Normalement, qu'il y ai un espace ou pas ne change rien !
https://guidingcode.com › undeclared-identifier-error-in-cpp
How to Fix an “Undeclared Identifier” Error in C++?Learn what an undeclared identifier error is in C++, why it occurs, and how to resolve it with examples. Find out the common causes and solutions for this common compiler error.
https://www.codespeedy.com › fix-a-use-of-undeclared-identifier-compilation-error-in-cpp
Fix a “use of undeclared identifier” compilation error in C++Learn how to fix this error that occurs when you make a mistake while working with the variables and their names. See examples of common causes and solutions for this error in C++ code.
https://cs50.stackexchange.com › questions › 1656 › how-do-i-fix-a-use-of-undeclared...
How do I fix a "use of undeclared identifier" compilation error?Most of the time use of an undeclared identifier error occurs when you try to use a variable without first declaring it. To declare a variable one must write its type followed by its name (also known as identifier). Once you've declared it, only then you are allowed to use it in expressions or assignments.For example:
https://blog.csdn.net › junyilao › article › details › 78652725
stm32 keil中出现use of undeclared identifier' '的原因 - CSDN博客简单来说，“use of undeclared identifier”是指使用了未声明的变量或者函数。 这通常是由于程序员在编码过程 中 疏忽引起的。 在 Keil 中 ，这种问题可能是由于变量或函数的命名错误、作用域错误、头文件引用错误等多种 原因 所导致的。
