Computer Science
TMPFILE(3) Linux Programmer's Manual TMPFILE(3)
NAME
tmpfile - create a temporary file
SYNOPSIS
#include <stdio.h>
FILE *tmpfile (void);
DESCRIPTION
The tmpfile() function generates a unique temporary file-
name using the path prefix P_tmpdir defined in <stdio.h>.
The temporary file is then opened in binary read/write
(w+b) mode. The file will be automatically deleted when
it is closed or the program terminates.
RETURN VALUE
The tmpfile() function returns a stream descriptor, or
NULL if a unique filename cannot be generated or the
unique file cannot be opened.
ERRORS
EACCES Search permission denied for directory in file's
path prefix.
EEXIST Unable to generate a unique filename.
EMFILE Too many file descriptors in use by process.
ENFILE Too many files open in system.
EROFS Read-only filesystem.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
mktemp(3), mkstemp(3), tmpnam(3), tempnam(3)
GNU April 3, 1993 1
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