On Thu, Nov 10, 2011, Doug Brewer wrote: > I have the following lines in C: > > struct foo *bar[10]; > > If I want to clear out that structure, should I use > > memset(bar, 0, sizeof(bar)); > or > memset(bar, 0, sizeof(*bar));
Your question is quite ambiguous as to "that structure". There are (presumably) 10 structures, somewhere. And here is an array of pointers. Neither of your lines will clear out whatever "that structure" can reasonably be interpreted to mean.