Hi Allan, On 09/06/07, m. allan noah wrote: > but i though there was one in /mingw/include? if you remove that one, > does it find the compiler one? you are getting out of my league here, > can you tell? :) No, stddef.h is not included in /mingw/include. But, by adding #include <stddef.h> to the file, the compile gets past this stage. Hugh