/* REQUIRED PROCEDURES AND FUNCTIONS */

/* PROCEDURES */
/* FILE HANDLING */
#define R_REWRITE	1
#define R_PUT		2
#define R_RESET		3
#define R_GET		4
#define R_PAGE		5

/* DYNAMIC ALLOCATION */
#define R_NEW		6
#define R_DISPOSE	7
#define R_MARK		8
#define R_RELEASE	9

/* MISCELLANEOUS PROCEDURE(S) */
#define R_HALT		10

/* TRANSFER */
#define R_PACK		11
#define R_UNPACK	12

/* FUNCTIONS */
/* ARITHMETIC */
#define R_ABS		13
#define R_SQR		14
#define R_SIN		15
#define R_COS		16
#define R_EXP		17
#define R_LN		18
#define R_SQRT		19
#define R_ARCTAN	20

/* TRANSFER */
#define R_TRUNC		21
#define R_ROUND		22

/* ORDINAL */
#define R_ORD		23
#define R_CHR		24
#define R_SUCC		25
#define R_PRED		26

/* BOOLEAN */
#define R_ODD		27
#define R_EOF		28
#define R_EOLN		29
