/* 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

/* TRANSFER */
#define R_PACK		8
#define R_UNPACK	9

/* FUNCTIONS */
/* ARITHMETIC */
#define R_ABS		10
#define R_SQR		11
#define R_SIN		12
#define R_COS		13
#define R_EXP		14
#define R_LN		15
#define R_SQRT		16
#define R_ARCTAN	17

/* TRANSFER */
#define R_TRUNC		18
#define R_ROUND		19

/* ORDINAL */
#define R_ORD		20
#define R_CHR		21
#define R_SUCC		22
#define R_PRED		23

/* BOOLEAN */
#define R_ODD		24
#define R_EOF		25
#define R_EOLN		26