(no version information, might be only in CVS)
php_stream_fopen_temporary_file -- Generate a temporary file name and open a stream on it
Description
php_stream * 
php_stream_fopen_temporary_file ( const char * dir, const char * pfx, char ** opened)
     php_stream_fopen_temporary_file() generates a temporary file name
     in the directory specified by dir and with a prefix of pfx.
     The generated file name is returns in the opened parameter, which you
     are responsible for cleaning up using efree().
     A stream is opened on that generated filename in "w+b" mode.
     The file is NOT automatically deleted; you are responsible for unlinking or moving the file when you have
     finished with it.