placeholder; does not yet build

src/cmd/page/page.h

@@ -0,0 +1,84 @@
+#include <cursor.h>
+
+typedef struct Document Document;
+
+struct Document {
+	char *docname;
+	int npage;
+	int fwdonly;
+	char* (*pagename)(Document*, int);
+	Image* (*drawpage)(Document*, int);
+	int	(*addpage)(Document*, char*);
+	int	(*rmpage)(Document*, int);
+	Biobuf *b;
+	void *extra;
+};
+
+void *emalloc(int);
+void *erealloc(void*, int);
+char *estrdup(char*);
+int spawncmd(char*, char **, int, int, int);
+
+int spooltodisk(uchar*, int, char**);
+int stdinpipe(uchar*, int);
+Document *initps(Biobuf*, int, char**, uchar*, int);
+Document *initpdf(Biobuf*, int, char**, uchar*, int);
+Document *initgfx(Biobuf*, int, char**, uchar*, int);
+Document *inittroff(Biobuf*, int, char**, uchar*, int);
+Document *initdvi(Biobuf*, int, char**, uchar*, int);
+Document *initmsdoc(Biobuf*, int, char**, uchar*, int);
+
+void viewer(Document*);
+extern Cursor reading;
+extern int chatty;
+extern int goodps;
+extern int textbits, gfxbits;
+extern int reverse;
+extern int clean;
+extern int ppi;
+extern int teegs;
+extern int truetoboundingbox;
+extern int wctlfd;
+extern int resizing;
+extern int mknewwindow;
+
+void rot180(Image*);
+Image *rot90(Image*);
+Image *resample(Image*, Image*);
+
+/* ghostscript interface shared by ps, pdf */
+typedef struct GSInfo	GSInfo;
+struct GSInfo {
+	int gsfd;
+	Biobuf gsrd;
+	int gspid;
+	int gsdfd;
+	int ppi;
+};
+void	waitgs(GSInfo*);
+int	gscmd(GSInfo*, char*, ...);
+int	spawngs(GSInfo*);
+void	setdim(GSInfo*, Rectangle, int, int);
+int	spawnwriter(GSInfo*, Biobuf*);
+Rectangle	screenrect(void);
+void	newwin(void);
+void	zerox(void);
+Rectangle winrect(void);
+void	resize(int, int);
+int	max(int, int);
+int	min(int, int);
+void	wexits(char*);
+Image*	xallocimage(Display*, Rectangle, ulong, int, ulong);
+int	bell(void*, char*);
+int	opentemp(char *template);
+
+extern int stdinfd;
+extern int truecolor;
+
+/* BUG BUG BUG BUG BUG: cannot use new draw operations in drawterm,
+ * or in vncs, and there is a bug in the kernel for copying images
+ * from cpu memory -> video memory (memmove is not being used).
+ * until all that is settled, ignore the draw operators.
+ */
+#define drawop(a,b,c,d,e,f) draw(a,b,c,d,e)
+#define gendrawop(a,b,c,d,e,f,g) gendraw(a,b,c,d,e,f)