erroradd
void erroradd(int errorlength, char **errorv, Errorclass errorclass,
erroradd(wordc, wordv+1, errorclass, C_UNKNOWN);
erroradd(wordc+2, nwordv1, C_TRUE, C_DUPL);
erroradd(undefined ? 4 : 5, nwordv,
erroradd(wordc, nwordv, C_TRUE, C_UNKNOWN);