This is exactly what glibc did. If you want you can use the 64-bit types and symbols directly. The _TIME_BITS=64 macro redefines the standard C & POSIX time thi

This is exactly what glibc did. If you want you can use the 64-bit types and symbols directly. The _TIME_BITS=64 macro redefines the standard C & POSIX time things to point to the 64-bit variants, so you can just recompile code to use them.