_GL_CXXALIAS_SYS (iswcntrl, int, (wint_t wc));
_GL_CXXALIAS_SYS (iswdigit, int, (wint_t wc));
_GL_CXXALIAS_SYS (iswgraph, int, (wint_t wc));
_GL_CXXALIAS_SYS (iswcntrl, int, (wint_t wc));
_GL_CXXALIAS_SYS (iswdigit, int, (wint_t wc));
_GL_CXXALIAS_SYS (iswgraph, int, (wint_t wc));