/* expr.h: definitions for expression evaluator */

#ifndef EXPR_HDR
#define EXPR_HDR

/* $Header: /gourd/usr2/ph/sys/libsys/RCS/expr.h,v 4.2 94/08/03 15:41:19 ph Exp Locker: ph $ */

/* error codes */
#define EXPR_GOOD	0	/* expression totally good */
#define EXPR_SOSO	-1	/* expression partially good */
#define EXPR_BAD	-2	/* expression totally bad */

extern int expr_error;		/* holds error code after expr_eval */

#ifdef __cplusplus
extern "C" {
#endif

int expr_eval_int(char *str);
long expr_eval_long(char *str);
double expr_eval(char *str);

#ifdef __cplusplus
}
#endif

#endif