Procedure from library latex.lib (see latex_lib).
latex.lib
closetex(fname); fname string
nothing; writes a LaTeX2e closing line into file <fname>.
<fname>
preceding ">>" are deleted and suffix ".tex" (if not given) is added to fname.
fname
Example:
LIB "latex.lib"; opentex("exmpl"); texobj("exmpl","{\\large \\bf hello}"); closetex("exmpl");