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FCLOSE (3) | C library functions | Unix Manual Pages | :man

NAME

fclose - close a stream

CONTENTS

Library
Synopsis
Description
Return Values
Errors
Notes
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In stdio.h int fclose "FILE *stream"

DESCRIPTION

The fclose function dissociates the named stream from its underlying file or set of functions. If the stream was being used for output, any buffered data is written first, using fflush(3).

RETURN VALUES

Upon successful completion 0 is returned. Otherwise, EOF is returned and the global variable errno is set to indicate the error. In either case no further access to the stream is possible.

ERRORS

The fclose function may also fail and set errno for any of the errors specified for the routines close(2) or fflush(3).

NOTES

The fclose function does not handle NULL arguments; they will result in a segmentation violation. This is intentional - it makes it easier to make sure programs written under
.Fx are bug free. This behaviour is an implementation detail, and programs should not rely upon it.

SEE ALSO

close(2), fflush(3), fopen(3), setbuf(3)

STANDARDS


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