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tmpfile(3)
NAME
  tmpfile -  Creates a temporary file

LIBRARY
  Standard C Library (libc.so, libc.a)

SYNOPSIS
  #include <stdio.h>
  FILE *tmpfile ( void );

STANDARDS
  Interfaces documented on this reference page conform to industry standards
  as follows:

  tmpfile():  XPG4, XPG4-UNIX

  Refer to the standards(5) reference page for more information about
  industry standards and associated tags.

DESCRIPTION
  The tmpfile() function creates a temporary file and returns its FILE
  pointer. The file is opened for update. The temporary file is automatically
  deleted when the process using it terminates.

RETURN VALUES
  Upon successful completion, the tmpfile() function returns a pointer to the
  stream of the file that is created.  Otherwise, it returns a null pointer
  and sets errno to indicate the error.

ERRORS
  The tmpfile() function sets errno to the specified values for the following
  conditions:

  [EINTR]   A signal was caught during tmpfile().

  [EMFILE]  OPEN_MAX file descriptors are currently open in the calling
	    process.

	    [Digital]  All available file descriptors are currently open in
	    the calling process.

  [ENFILE]  The maximum allowable number of files is currently open in the
	    system.

  [ENOSPC]  The directory or file system that would contain the new file
	    cannot be expanded.

RELATED INFORMATION
  Functions: fopen(3), mktemp(3), tmpnam(3), unlink(2), getdtablesize(2)

  Standards: standards(5)