str_regexp_free_pattern

	status.i4.v = str_regexp_free_pattern()

	This routine frees a regular expression pattern that was compiled
	by a previous call to str_regexp_compile_pattern_c.

	This function returns status values as follows:

	OK			success
	CLIB_NOINIT		no compiled pattern is present

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	str_regexp_compile_pattern_c, str_regexp_find_string_c,
	str_regexp_replace_string_c, str_regexp_compare,
	str_regexp_compare_nocase, str_regexp_insert_string_c,
	str_regexp_remove_string_c

	C/C++ usage:

	int	status;

	status = str_regexp_free_pattern();