These compiler warnings on Windows must be fixed.

../../../src\windows\native\java\lang\ProcessImpl_md.c(67) : warning C4013: '_open' undefined; assuming extern returning int
../../../src\windows\native\java\lang\ProcessImpl_md.c(69) : warning C4013: '_read' undefined; assuming extern returning int
../../../src\windows\native\java\lang\ProcessImpl_md.c(71) : warning C4013: '_lseek' undefined; assuming extern returning int
../../../src\windows\native\java\lang\ProcessImpl_md.c(80) : warning C4013: '_close' undefined; assuming extern returning int
../../../src\windows\native\java\lang\ProcessImpl_md.c(47) : warning C4101: 'type' : unreferenced local variable