XFree(XS) X Version 11 (Release 5) 6 January 1993 XFree(XS) 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 allocated by Xlib, unless an alternate function is explicitly specified for the object. See also Xlib - C Language X Interface