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RedHat 9 (Linux i386) - man page for tmpfile (redhat section 3)

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TMPFILE(3)			    Linux Programmer's Manual			       TMPFILE(3)

       tmpfile - create a temporary file

       #include <stdio.h>

       FILE *tmpfile (void);

       The  tmpfile() function generates a unique temporary filename.  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 normally.

       The tmpfile() function returns a stream descriptor, or NULL if a unique filename cannot be
       generated or the unique file cannot be opened. In the latter case, errno is set	to  indi-
       cate the error.

       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 the process.

       ENFILE Too many files open in the system.

       ENOSPC There was no room in the directory to add the new filename.

       EROFS  Read-only filesystem.

       EINTR  The call was interrupted by a signal.

	      SVID 3, POSIX, BSD 4.3, ISO 9899, SUSv2

       An error message may be written to stdout if the stream cannot be opened.

       The  standard  does  not specify the directory that tmpfile() will use. Glibc will try the
       path prefix P_tmpdir defined in <stdio.h>, and if that fails the directory /tmp.

       exit(3), mktemp(3), mkstemp(3), tmpnam(3), tempnam(3)

					    2001-11-17				       TMPFILE(3)
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