* include/mes/lib.h[__M2__](__call_at_exit,abtod,dtoab,ultoa,
* include/sys/types.h[__M2__]: Fall back to unsigned instead of using
unsigned long.
* include/stdio.h[__M2__](fprintf, fscanf, printf, snprintf, sprintf,
sscanf): Hide prototypes.
* lib/stdlib/exit.c (exit)[__M2__]: Hide call to __call_at_exit.
* lib/linux/read.c (read)[__M2__]: Hide debugging.
* lib/linux/malloc.c (malloc)[__M2__]: Hide alignment.
__mesabi_umod, __mesabi_udiv, __mesabi_uldiv): Hide prototypes.
* scaffold/argv.kaem: Use them together with lib/mes/lib-mini.h instead of
lib/mes/* specializations. Remove --bootstrap-mode from M2-Planet call.
* lib/linux/access.c: New file.
* lib/linux/brk.c: New file.
* lib/linux/chmod.c: New file.
* lib/linux/dup.c: New file.
* lib/linux/dup2.c: New file.
* lib/linux/execve.c: New file.
* lib/linux/fork.c: New file.
* lib/linux/fsync.c: New file.
* lib/linux/getcwd.c: New file.
* lib/linux/ioctl.c: New file.
* lib/linux/libc.c: New file.
* lib/linux/open.c: New file.
* lib/linux/read.c: New file.
* lib/linux/unlink.c: New file.
* lib/linux/waitpid.c: New file.
* lib/linux/libc.c: Include them.
(access, brk, chmod, dup, dup2, execve, fork, fsync, getcwd, ioctl,
libc, open, read, unlink, waitpid): Remove.