FILE(3type) FILE(3type) FILE - input/output stream C (libc) #include typedef /* ... */ FILE; An object type used for streams. C11, POSIX.1-2008. C89, POSIX.1-2001. The following header also provides this type: . fclose(3), flockfile(3), fopen(3), fprintf(3), fread(3), fscanf(3), stdin(3), stdio(3) () Azamat Hackimov , Dmitry Bolkhovskikh , Yuri Kozlov , Kirill Rekhov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.15 17 2025 . FILE(3type)