man.h

extern int type;
extern int argc;
extern const unsigned char *argv[];

extern unsigned na;
extern unsigned ad; /* .j */
extern unsigned fi; /* .u */
extern unsigned hy;
extern unsigned in;
extern int ti;
extern unsigned ft;
extern unsigned ll;
extern unsigned ns;

extern struct flags {
	unsigned W;
	unsigned i;
	unsigned b;
	const char *os;
} flags;

enum {
	NBSPACE = 0x80,
	XSPACE,
	ZWSPACE,
	FONT_R,
	FONT_B,
	FONT_I,
	FONT_P,
	FONT_X,
	HYPHEN
};


enum {
#define _(x) tk ## x ,
#include "xtokens.h"
#undef _
tkxx
};
extern char *token_names[];


#define MAN_BUFFER_SIZE 2048

const unsigned char *read_text(void);
const unsigned char *read_line(void);

void read_init(FILE *fp, const char *filename);
void man(FILE *fp, const char *filename);
void man_init(void);


#define man_warn(msg) man_warnc(errno, msg)
#define man_warnx(msg) man_warnc(0, msg)

#define man_warn1s(msg,a) man_warnc1s(errno, msg, a)
#define man_warnx1s(msg,a) man_warnc1s(0, msg, a)

#define man_err(eval, msg) man_errc(eval, errno, msg)
#define man_errx(eval, msg) man_errc(eval, 0, msg)

#define man_err1s(eval, msg,a) man_errc1s(eval, errno, msg, a)
#define man_errx1s(eval, msg,a) man_errc1s(eval, 0, msg, a)

void man_warnc(int e, const char *msg);
void man_warnc1s(int e, const char *msg, const char *s);
void man_errc(int eval, int e, const char *msg);
void man_errc1s(int eval, int e, const char *msg, const char *s);