const char *pfx_in, /* Pathname prefix for temporary file. */
int *fd_ret, /* (return,opt.) File descriptor to temp file. */
FILE **fp_ret /* (return,opt.) FILE pointer to temp file. */
const char *pfx_in, /* Pathname prefix for temporary file. */
int *fd_ret, /* (return,opt.) File descriptor to temp file. */
FILE **fp_ret /* (return,opt.) FILE pointer to temp file. */