mdb_iob_vsnprintf
return (mdb_iob_vsnprintf(s, n, format, ap));
return ((int)mdb_iob_vsnprintf(buf, nbytes, format, alist));
(void) mdb_iob_vsnprintf(buf, sizeof (buf), format, alist);
nbytes = mdb_iob_vsnprintf(buf, nbytes, format, alist);
extern size_t mdb_iob_vsnprintf(char *, size_t, const char *, va_list);
nbytes = mdb_iob_vsnprintf(buf, nbytes, format, alist);
return (mdb_iob_vsnprintf(s, n, format, args));