void _CppTeXTheFile(Source & so,Sink & si) {
stringGB format;
so >> format;
StringAccumulator x;
x.add(PlatformSpecific::s_latex_command());
x.add(format.value().chars());
so.shouldBeEnd();
si.noOutput();
system(x.chars());
};
void _ShowTeX(Source & so,Sink & si) {
stringGB format;
so >> format;
StringAccumulator x;
x.add(PlatformSpecific::s_dvi_viewer());
x.add(format.value().chars());
x.add(PlatformSpecific::s_background());
so.shouldBeEnd();
si.noOutput();
system(x.chars());
};
void IISource::get(Variable& x) {
int type = getType();
if(type==GBInputNumbers::s_IOSYMBOL) {
symbolGB y;
((ISource *)this)->get(y);
x.assign(y.value().chars());
} else if(type==GBInputNumbers::s_IOFUNCTION) {
StringAccumulator acc;
getAnything(acc);
x.assign(acc.chars());
} else DBG();
};