🚀 go-pugleaf

when I compile the following routine using gcc 1.31 on a Sun 3/280
running SunOs 3.5, it complains about 'd' and 'z' being undefined.
running gcc -E shows that gcc has stripped the single quotes from
around d and z. Should this be?

Ned Danieley (ndd@sunbar.mc.duke.edu)
Basic Arrhythmia Laboratory
Box 3140, Duke University Medical Center
Durham, NC  27710
(919) 684-6807 or 684-6942

++++++++++++++++++++ test.c ++++++++++++++++++++++++++++++
#include "sys/ttychars.h"

extern	int finish();
extern	int suspend();


typedef
	struct {
		char	e_char;		/* char to match on */
		char	e_flags;	/* experimental, priviledged */
		char	*e_help;	/* help string */
		int 	(*e_func)();	/* command */
	}
	esctable_t;

esctable_t etable[] = {
	{CTRL(d),NORM,	"exit from tip",		 finish },
	{CTRL(z),NORM,	"suspend tip",			 suspend },
	{ 0, 0, 0 }
};
++++++++++++++++++++ gcc -E ++++++++++++++++++++++++++++++
# 1 "test.c"
# 1 "/usr/local/lib/gcc-include/sys/ttychars.h"

struct ttychars {
	char	tc_erase;	 
	char	tc_kill;	 
	char	tc_intrc;	 
	char	tc_quitc;	 
	char	tc_startc;	 
	char	tc_stopc;	 
	char	tc_eofc;	 
	char	tc_brkc;	 
	char	tc_suspc;	 
	char	tc_dsuspc;	 
	char	tc_rprntc;	 
	char	tc_flushc;	 
	char	tc_werasc;	 
	char	tc_lnextc;	 
};

# 1 "test.c"


extern	int finish();
extern	int suspend();


typedef
	struct {
		char	e_char;		 
		char	e_flags;	 
		char	*e_help;	 
		int 	(*e_func)();	 
	}
	esctable_t;

esctable_t etable[] = {
	{(d&037) ,NORM,	"exit from tip",		 finish },
	{(z&037) ,NORM,	"suspend tip",			 suspend },
	{ 0, 0, 0 }
};
++++++++++++++++++++ cc -E ++++++++++++++++++++++++++++++
cc -E test.c
# 1 "test.c" 

# 1 "/usr/include/sys/ttychars.h" 1

struct ttychars {
	char	tc_erase;	
	char	tc_kill;	
	char	tc_intrc;	
	char	tc_quitc;	
	char	tc_startc;	
	char	tc_stopc;	
	char	tc_eofc;	
	char	tc_brkc;	
	char	tc_suspc;	
	char	tc_dsuspc;	
	char	tc_rprntc;	
	char	tc_flushc;	
	char	tc_werasc;	
	char	tc_lnextc;	
};

# 2 "test.c" 2

extern	int finish();
extern	int suspend();


typedef
	struct {
		char	e_char;		
		char	e_flags;	
		char	*e_help;	
		int 	(*e_func)();	
	}
	esctable_t;

esctable_t etable[] = {
	{ ('d'&037),NORM,	"exit from tip",		 finish },
	{ ('z'&037),NORM,	"suspend tip",			 suspend },
	{ 0, 0, 0 }
};