* debug/wcstombs_chk.c: New file.
* debug/Makefile (routines): Add mbstowcs_chk and wcstombs_chk.
* debug/Versions: Add __mbstowcs_chk and __wcstombs_chk.
* stdlib/bits/stdlib.h: Add definitions for mbstowcs and wcstombs.
* wcsmbs/bits/wchar2.h (mbsrtowcs): Pretty printing.
* string/test-memset.c (test_main): Use negative byte value in
* stdlib/stdlib.h: Include <bits/stdlib.h> if fortification is
requested.
* Makefile (headers): Add bits/stdlib.h.
* include/bits/stdlib.h: New file.
* debug/Depend: New file.
* debug/ptsname_r_chk.c: New file.
* debug/realpath_chk.c: New file.
* debug/wctomb_chk.c: New file.
* debug/Makefile (routines): Add ptsname_r_chk, realpath_chk, and
wctomb_chk.
* debug/Versions: Export __ptsname_r_chk, __realpath_chk, and
__wctomb_chk.
* debug/tst-chk1.c: Add tests for __ptsname_r_chk, __realpath_chk, and
__wctomb_chk.