FILE
	/usr/common/sys/stringd.c

NAME
	trim_whitespace - remove leading and trailing whitespace from a
	string

PROTOTYPE
	string trim_whitespace(string str)

CALLED BY
	Anybody

DESCRIPTION
	Returns the string with all leading and trailing whitespace
	removed.  This may result in the empty string.  If nil is
	passed in, it is also returned.

	There is a Phrase equivalent to this defined in the
	intl_phrase library.

RETURN VALUE
	The new string.

ERRORS
	Normally none.

SEE ALSO
	char_is_whitespace, is_whitespace, intl_phrase:trim_whitespace