How to write newline in c language

Line wrapping in C language can realize the function of switching to the next line. There are three main methods: 1. Using the escape character \n; 2. Using the puts function; 3. Directly wrapping the line in some cases. The EOL macro can be used to automatically select line breaks when cross-platform.

Newline in C language

In C language, newline can use the escape character\ nto achieve.

Useprintffunction

printf("这是第一行\n这是第二行");

Useputsfunction

puts("这是第一行"); puts("这是第二行");

Direct line wrapping

In some cases, you can also wrap lines directly in the code without using any functions or characters:

这是第一行 这是第二行

Cross-platform considerations

In Windows systems,\nrepresents a newline character, while in Unix and Linux systems, it represents a newline and carriage return. For cross-platform compatibility, you can use the macroEOL, which will automatically select the correct newline character depending on the system:

#if defined(_WIN32) || defined(_WIN64) #define EOL "\r\n" #else #define EOL "\n" #endif printf("这是第一行%s这是第二行", EOL);

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