NAME
tmpfile − 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 |
Read-only filesystem. |
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899, SUSv2