(imaxdiv): Export. (llabs): Export. (lldiv): Export. (strtoimax): Export. (strtoumax): Export. * include/inttypes.h (imaxabs): Activate declaration. (imaxdiv): Ditto. (strtoimax): Ditto. (strtoumax): Ditto. * include/cygwin/version.h: Bump API minor.
* include/stdint.h: New file. * include/cygwin/in.h: Include stdint.h instead of sys/types.h. * include/cygwin/types.h: Include stdint.h. Remove typedefs for intN_t and uintN_t since these are defined in stdint.h now.