VMS headers use __int64.
I hack mine up with #ifdef __GNUC__ #ifndef __int64 #define __int64 long long #endif #endif It seems to me gcc should recognize __int64, at least on VMS and Win32 targets. - Jay -- Summary: gcc should implement __int64, so it can e.g. read the VMS system headers Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jay dot krell at cornell dot edu GCC build triplet: any GCC host triplet: any GCC target triplet: alpha-dec-vms http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44005