tmpfile - phpMan

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 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.

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. In the latter case,  errno
       is set to indicate the error.

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 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.


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

NOTES
       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.

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



                                  2001-11-17                        TMPFILE(3)

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