scsh-0.5/cig/libcig.h

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1995-10-13 23:34:21 -04:00
#include "scheme48.h"
/* StobData is used by fdports.c. It should be changed over to STOB_REF
** by removing the extra indirection. */
#define StobData(x) (ADDRESS_AFTER_HEADER(x, scheme_value))
#define IsChar(x) ((((long) x) & 0xff) == SCHCHAR)
#define StrByte(x, i) ((i) + ADDRESS_AFTER_HEADER((x), char))
#define cig_string_body(x) (ADDRESS_AFTER_HEADER((x), char))
#define AlienVal(x) (STOB_REF((x),0))
extern char *scheme2c_strcpy(scheme_value sstr);
extern scheme_value strlen_or_false(const char *s);
extern char *copystring_or_die(const char *);
extern char *copystring(char *, const char *);
extern scheme_value strlen_or_false(const char *);
extern void cig_check_nargs(int arity, int nargs, const char *fn);