33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
#include "scheme48.h"
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/* StobData is used by fdports.c. It should be changed over to STOB_REF
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** by removing the extra indirection. */
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#define StobData(x) (S48_ADDRESS_AFTER_HEADER(x, s48_value))
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#define IsChar(x) ((((long) x) & 0xff) == S48_CHAR)
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/* JMG: untested !! */
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#define StrByte(x, i) ((i) + S48_ADDRESS_AFTER_HEADER((x), char))
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#define cig_string_body(x) (S48_ADDRESS_AFTER_HEADER((x), char))
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#define AlienVal(x) (S48_STOB_REF((x),0))
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/* JMG: no () around this, because it's a do..while(0) */
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#define SetAlienVal(x, v) S48_STOB_SET((x), 0, (v))
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/* JMG: some hacks to leave to old sources untouched */
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#define ENTER_BOOLEAN(x) (x ? S48_TRUE : S48_FALSE)
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#define EXTRACT_BOOLEAN(x) ((x==S48_TRUE) ? 1 : 0)
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/* #define ENTER_FIXNUM(x) (s48_enter_fixnum(x)) */
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/* #define SCHFALSE S48_FALSE */
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extern char *scheme2c_strcpy(s48_value sstr);
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extern s48_value strlen_or_false(const char *s);
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extern char *copystring_or_die(const char *);
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extern char *copystring(char *, const char *);
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extern s48_value strlen_or_false(const char *);
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extern void cig_check_nargs(int arity, int nargs, const char *fn);
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