The explicit_bzero function has been added to glibc.
This module is intended to supports its use in GNU programs.
* doc/glibc-functions/explicit_bzero.texi, lib/explicit_bzero.c:
* m4/explicit_bzero.m4, modules/explicit_bzero:
New files.
* doc/gnulib.texi (Glibc string.h): Link to new doc.
* lib/string.in.h (explicit_bzero): Declare.
* m4/string_h.m4 (gl_HEADER_STRING_H_DEFAULTS): Add defaults for it.
* modules/string (string.h): Substitute its vars.