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ANSI C & POSIX file IO

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Tags posix
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ANSI C

C Language standard library functions: User state

Windows and Linux platforms are common

File stream pointers: file*

fopen, Fclose, fwrite, fread ...

POSIX

Linux system call function: Kernel state

Can only be used in Linux systems

Document Descriptor: File structure body

Open, close, write, read ...

The ANSI C library IO function is in fact the encapsulation of the POSIX IO function, which is based on the concept of flow, and requests a stream resource (FILE) in user space.

ANSI C & POSIX file IO

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Related Keywords:
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