On 8/18/05, Giorgos Keramidas <[EMAIL PROTECTED]> wrote: > On 2005-08-18 12:08, Sergey Matveychuk <[EMAIL PROTECTED]> wrote: > >Chuck Swiger wrote: > >>>What is pointer coercion? I have no pointer before malloc() returns. > >> > >> Right. Well, malloc returns a (void *), but most people want to use the > >> memory malloc returns to hold their own arrays, structs, whatever, which > >> means that you need to be able to coerce the (void *) malloc gave you > >> into whatever pointer type you want to actually use. > >> > >> So the memory malloc gives you needs to be aligned so that it's OK to be > >> used for even the most restrictive datatype known to the system, > >> commonly 8, 16, or 32 bytes. > > > > Pointer coercion means a type cast? I see now. > > I read it as 'force change of pointer value' before. > > It may be surprising, but casting back and forth *MAY* change the value > of the pointer. ...
Could you back up this assertion with an example, please? -- Dmitry Mityugov, St. Petersburg, Russia I ignore all messages with confidentiality statements "We live less by imagination than despite it" - Rockwell Kent, "N by E" _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
