mbunconvert
extern char *mbunconvert(wchar_t *);
if ((awkinfp = fopen(mbunconvert(arg), r)) == FNULL) {
mbunconvert(arg));
(void) fputs(mbunconvert(linebuf), fp);
mbunconvert((wchar_t *)exprstring(varOFMT)),
(void) fputs(mbunconvert(isstring(varORS->n_flags) ?
cp = mbunconvert(exprstring(np->n_left));
retcode = system(mbunconvert(exprstring(getlist(&np))));
name = mbunconvert(exprstring(getlist(&np)));