posix-io/dup.c

#if _WCE >= 4

#include <windows.h>
#include <kfuncs.h>

int dup(int oldfd) {
	void *r;
	int ok = DuplicateHandle(GetCurrentProcess(), (void *)oldfd, GetCurrentProcess(), &r, 0, 1, DUPLICATE_SAME_ACCESS);
	return ok ? (int)r : -1;
}

#endif