* include/linux/x86_64/syscall.h (SYS_mknod): New macro.
* include/linux/x86/syscall.h (SYS_mknod): New macro.
* lib/linux/mknod.c: New file.
* build-aux/configure-lib.sh (libc_gnu_SOURCES): Add it.
* include/sys/stat.h (mknod): Declare it.
* include/fcntl.h (creat): New macro.