FILE(3type) FILE(3type)

FILE - input/output stream

Standard C library (libc)

#include <stdio.h>
typedef /* ... */  FILE;

An object type used for streams.

C11, POSIX.1-2024.

C89, POSIX.1-1988.

The following header also provides this type: <wchar.h>.

fclose(3), flockfile(3), fopen(3), fprintf(3), fread(3), fscanf(3), stdin(3), stdio(3)

2026-02-08 Linux man-pages 6.18