mtherr
int mtherr();
mtherr( "elog", DOMAIN );
mtherr( "elog", SING );
mtherr( "esub", DOMAIN );
mtherr( "eadd", DOMAIN );
mtherr( "ediv", DOMAIN );
mtherr( "ediv", SING );
mtherr( "emul", DOMAIN );
mtherr( "enormlz", UNDERFLOW );
mtherr( "enormlz", OVERFLOW );
mtherr( "etoasc", DOMAIN );
mtherr( "asctoe", DOMAIN );
mtherr( "eremain", SING );
mtherr( "enan", DOMAIN );
mtherr( "esqrt", DOMAIN );
int mtherr();
int mtherr ( char *, int );
int mtherr();