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What are the naming rules for global variables in C language?

The naming rules for global variables in C language include: using prefixes (such as g_, global_) to identify global variables; using meaningful English words or abbreviations to describe variable functions; avoid using C language keywords or variable names that are the same as standard library function names; selecting appropriate prefixes to consider project size and naming habits; unifying naming specifications within the team to avoid naming conflicts.

Apr 03, 2025 pm 01:18 PM

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What are the naming rules for structures in C language?

Structural naming specifications in C language: Use camel nomenclature or underscore nomenclature to avoid mixed use. The name clearly expresses the purpose of the structure. The naming of related structures reflects correlation. Be careful to be verbose in nested structures, using abbreviations or concise words. Keep naming style consistent in large projects and use the code style checking tool.

Apr 03, 2025 pm 01:15 PM

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What are the naming rules for pointer variables in C language?

There are no fixed rules for naming pointer variables in C language, but it is crucial to follow good naming habits. It is recommended to use pointing data types as prefixes (such as intPtr), reflect pointer purpose and pointing to objects (such as currentNodePtr), avoid single-letter naming, use meaningful abbreviations, and keep naming style consistent.

Apr 03, 2025 pm 01:12 PM

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What is the difference between declaration and definition of C user identifiers?

In C language, the declaration of an identifier declares its existence in the compiler, while the definition gives it a specific value based on the declaration. Declarations can be repeated, while definitions can only occur once and must be in appropriate .c files, usually used in header files, and definitions in .c files.

Apr 03, 2025 pm 01:09 PM

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What are the naming styles of C user identifiers?

C language identifier naming rules: consist of letters, numbers and underscores. The first character must be a letter or underscore and is case sensitive. The naming styles include camel, underlined and Hungarian nomenclature. It is recommended to use a concise and clear camel nomenclature, but team consistency is more important. Naming should be based on the name and avoid using meaningless identifiers. Naming style has nothing to do with performance, and the main purpose is to improve code readability and maintainability.

Apr 03, 2025 pm 01:06 PM

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How to apply snake nomenclature in C language?

In C language, snake nomenclature is a coding style convention, which uses underscores to connect multiple words to form variable names or function names to enhance readability. Although it won't affect compilation and operation, lengthy naming, IDE support issues, and historical baggage need to be considered.

Apr 03, 2025 pm 01:03 PM

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What is the impact of extern keyword on user identifiers in C language?

The extern keyword is used in C language to declare external variables and functions. It tells the compiler that the variable or function is defined elsewhere, instructing the compiler to look for its definition during the linking stage. When extern declares external variables, memory space is not allocated, and its definition is performed in other files; when extern declares external functions, it does not include function implementations, and its implementation is also performed in other files. The use of extern keywords is usually combined with header files, which is conducive to code management and avoids repeated declarations. It is very important to understand extern's handling of multi-file compilation and naming conflicts, and it plays a key role in the linking process.

Apr 03, 2025 pm 01:00 PM

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What are the naming rules for enumeration in C language?

Although there are no mandatory enumeration naming rules in C, it is recommended to unify naming styles to enhance the readability and maintainability of the code. It is recommended to use all capital letters underlined, such as: typedef enum { COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW } Color.

Apr 03, 2025 pm 12:57 PM

c语言 typedef

What are the erp system software? Recommended erp system software

When selecting ERP software, first clarify the needs of the enterprise, including industry, scale, budget and IT infrastructure, and then select the system that meets the needs according to the core business process. Common ERP systems include: SAP is suitable for large enterprises, with powerful functions but expensive functions; Oracle has comprehensive functions but is expensive, suitable for large enterprises; Odoo is suitable for small and medium-sized enterprises, with low cost and customizable; SaaS ERP is deployed in the cloud, paying on demand, and suitable for rapidly developing enterprises. Before choosing, you should conduct a trial, consult professional advice, and pay attention to after-sales service to choose the ERP system that is most suitable for you.

Apr 03, 2025 pm 12:54 PM

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How to learn the erp system by itself? erp system operation process

Self-studying ERP systems requires patience and perseverance, involving the following key steps: Understanding basic concepts (modular, data structure, process). Start with a simple module to practice (inventory management). Actively operate and ask questions in time when encountering problems. Go step by step, master the basics first and then go deep into advanced functions. Understand system architecture and performance optimization knowledge.

Apr 03, 2025 pm 12:51 PM

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What modules are mainly included in the erp system? What modules are included in the erp system?

An ERP system is a complex whole, with modules depending on business needs and enterprise size. Common core modules include finance, supply chain management, sales and marketing, human resources and manufacturing (for manufacturing). These modules work together through data sharing and process integration to digitalize and informatize business processes to improve efficiency, reduce costs and improve decision-making capabilities.

Apr 03, 2025 pm 12:48 PM

How to choose the right C user identifier name?

Identifier selection follows the principle of "seeing the name and knowing the meaning", follows the compiler mechanism and cognitive habits, avoid abbreviations, follow naming specifications, and use underlined nomenclature to make it clearer. Through example comparison, the code readability can be improved, which is an important step in writing high-quality C code.

Apr 03, 2025 pm 12:45 PM

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What are the naming rules for local variables in C language?

Principles of local variable naming in C language: see the name and know the meaning, and clearly express the uses and meaning of variables. Use meaningful English words or abbreviations to avoid blur and confusion. Follow the nomenclature of camels or underscores to keep the style consistent. Avoid single letter variable names unless they are loop counters or temporary variables. Keep naming consistent and do not change it at will. Never use system keywords or reserved words as variable names.

Apr 03, 2025 pm 12:42 PM

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What are the naming rules for functions in C language?

Function naming in C language: The naming should be concise and clear, and you can see the function function at a glance. Use camel nomenclature or underscore nomenclature to maintain the consistency of the style within the project. Avoid using abbreviations or C keywords as function names. Before writing code, think about the function function first, and then choose the appropriate naming. Code review helps identify naming issues, improve code readability and collaboration efficiency.

Apr 03, 2025 pm 12:39 PM

c语言区别编译错误代码可读性