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// -*- C++ -*-
// Declarations etc. related to the errarg class, defined in libgroff/errarg.c.
class errarg {
public:
errarg();
errarg(const char *);
errarg(char);
errarg(unsigned char);
errarg(int);
errarg(double);
int empty() const;
void print() const;
private:
enum { EMPTY, STRING, CHAR, INTEGER, DOUBLE } type;
union {
const char *s;
int n;
char c;
double d;
};
};
extern errarg empty_errarg;
extern void errprint(const char *,
const errarg &arg1 = empty_errarg,
const errarg &arg2 = empty_errarg,
const errarg &arg3 = empty_errarg);
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