* lib/stub/_getcwd.c: New file.
* lib/stub/_getcwd.c: New file.
* lib/stub/_open3.c: New file.
* lib/stub/access.c: New file.
* lib/stub/brk.c: New file.
* lib/stub/chmod.c: New file.
* lib/stub/clock_gettime.c: New file.
* lib/stub/dup.c: New file.
* lib/stub/dup2.c: New file.
* lib/stub/execve.c: New file.
* lib/stub/fork.c: New file.
* lib/stub/gettimeofday.c: New file.
* lib/stub/ioctl.c: New file.
* lib/stub/time.c: New file.
* lib/stub/unlink.c: New file.
* lib/stub/waitpid.c: New file.
* build-aux/configure-lib.sh (libc_SOURCES)[gnu]: Add them.
