redhat man page for xfree

XFree(3X11)							  XLIB FUNCTIONS						       XFree(3X11)

NAME
       XFree - free client data

SYNTAX
       XFree(data)
	    void *data;

ARGUMENTS
       data	 Specifies the data that is to be freed.

DESCRIPTION
       The XFree function is a general-purpose Xlib routine that frees the specified data.  You must use it to free any objects that were allo-
       cated by Xlib, unless an alternate function is explicitly specified for the object.  A NULL pointer cannot be passed to this function.

SEE ALSO
       Xlib - C Language X Interface

X Version 11							    Release 6.6 						       XFree(3X11)