What is the function of strcat function?
The function of the strcat function: first create a new program file in C language; then use the str function to copy a paragraph, copy the parameter src string to the end of the string pointed to by the parameter dest; finally use strcat to splice strings .
The role of strcat function:
1. strcat is used to splice strings. It will The src string is copied to the end of the string pointed to by the parameter dest. The specific usage is to first use vs2017 to create a new C language program file, introduce the header file, introduce the package "string.h" where the strcat function is located, and finally set up a main function:
2. Then use the str function to copy a paragraph. First define an 80-bit char type variable, and then use the strcat function to splice it into a sentence. The str function accepts two parameters. The first one is the variable to be spliced, and the second one is the variable to be spliced. The content that needs to be spliced can be a variable or a string of characters; finally, use the puts function to output the content of str:
3. Press crtl F5 to run the debugger. , the complete sentence will be displayed in the command prompt that opens. The above is the usage of strcat function:
Related free learning recommendations: JavaScript (video)
The above is the detailed content of What is the function of strcat function?. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
How to use char array in C language
Apr 03, 2025 pm 03:24 PM
The char array stores character sequences in C language and is declared as char array_name[size]. The access element is passed through the subscript operator, and the element ends with the null terminator '\0', which represents the end point of the string. The C language provides a variety of string manipulation functions, such as strlen(), strcpy(), strcat() and strcmp().
.NET Deep Dive: Mastering Asynchronous Programming, LINQ, and EF Core
Mar 31, 2025 pm 04:07 PM
The core concepts of .NET asynchronous programming, LINQ and EFCore are: 1. Asynchronous programming improves application responsiveness through async and await; 2. LINQ simplifies data query through unified syntax; 3. EFCore simplifies database operations through ORM.
How to use various symbols in C language
Apr 03, 2025 pm 04:48 PM
The usage methods of symbols in C language cover arithmetic, assignment, conditions, logic, bit operators, etc. Arithmetic operators are used for basic mathematical operations, assignment operators are used for assignment and addition, subtraction, multiplication and division assignment, condition operators are used for different operations according to conditions, logical operators are used for logical operations, bit operators are used for bit-level operations, and special constants are used to represent null pointers, end-of-file markers, and non-numeric values.
What is the role of char in C strings
Apr 03, 2025 pm 03:15 PM
In C, the char type is used in strings: 1. Store a single character; 2. Use an array to represent a string and end with a null terminator; 3. Operate through a string operation function; 4. Read or output a string from the keyboard.
Avoid errors caused by default in C switch statements
Apr 03, 2025 pm 03:45 PM
A strategy to avoid errors caused by default in C switch statements: use enums instead of constants, limiting the value of the case statement to a valid member of the enum. Use fallthrough in the last case statement to let the program continue to execute the following code. For switch statements without fallthrough, always add a default statement for error handling or provide default behavior.
How to handle special characters in C language
Apr 03, 2025 pm 03:18 PM
In C language, special characters are processed through escape sequences, such as: \n represents line breaks. \t means tab character. Use escape sequences or character constants to represent special characters, such as char c = '\n'. Note that the backslash needs to be escaped twice. Different platforms and compilers may have different escape sequences, please consult the documentation.
What is the function of C language sum?
Apr 03, 2025 pm 02:21 PM
There is no built-in sum function in C language, so it needs to be written by yourself. Sum can be achieved by traversing the array and accumulating elements: Loop version: Sum is calculated using for loop and array length. Pointer version: Use pointers to point to array elements, and efficient summing is achieved through self-increment pointers. Dynamically allocate array version: Dynamically allocate arrays and manage memory yourself, ensuring that allocated memory is freed to prevent memory leaks.
How to convert char in C language
Apr 03, 2025 pm 03:21 PM
In C language, char type conversion can be directly converted to another type by: casting: using casting characters. Automatic type conversion: When one type of data can accommodate another type of value, the compiler automatically converts it.
