TMPFILE (3)
create a temporary file
SYNOPSIS
#include <stdio.h>
FILE *tmpfile (void);
DESCRIPTION
The tmpfile() function generates a unique temporary filename
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
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
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