/usr/include/diet/skalibs/biguint.h is in skalibs-dev 0.47-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | /* Public domain. */
#ifndef BIGUINT_H
#define BIGUINT_H
#include "gccattributes.h"
#include "uint32.h"
#define BIGUINT_MAXLIMBS 64
#define FMT_BIGUINT ((BIGUINT_MAXLIMBS<<3) + 1)
extern void bu_pack (char *, uint32 const *, unsigned int) ;
extern void bu_unpack (char const *, uint32 *, unsigned int) ;
extern void bu_pack_big (char *, uint32 const *, unsigned int) ;
extern void bu_unpack_big (char const *, uint32 *, unsigned int) ;
extern unsigned int bu_fmt (char *, uint32 const *, unsigned int) ;
extern void bu_zero (uint32 *, unsigned int) ;
extern void bu_copy (uint32 *, uint32 const *, unsigned int) ;
extern unsigned int bu_len (uint32 const *, unsigned int) gccattr_pure ;
extern int bu_cmp (uint32 const *, uint32 const *, unsigned int) gccattr_pure ;
#define bu_add(c, a, b, n) bu_addc(c, a, b, n, 0)
extern unsigned char bu_addc (uint32 *, uint32 const *, uint32 const *, unsigned int, unsigned char) ;
#define bu_sub(c, a, b, n) bu_subc(c, a, b, n, 0)
extern unsigned char bu_subc (uint32 *, uint32 const *, uint32 const *, unsigned int, unsigned char) ;
extern void bu_mul (uint32 *, uint32 const *, unsigned int, uint32 const *, unsigned int) ;
extern void bu_div (uint32 const *, uint32 const *, uint32 *, uint32 *, unsigned int) ;
extern void bu_div_unsafe (uint32 const *, uint32 const *, uint32 *, uint32 *, unsigned int) ;
#define bu_slb(a, n) bu_slbc(a, n, 0)
extern unsigned char bu_slbc (uint32 *, unsigned int, unsigned char) ;
#define bu_srb(a, n) bu_srbc(a, n, 0)
extern unsigned char bu_srbc (uint32 *, unsigned int, unsigned char) ;
extern void bu_addmod (uint32 *, uint32 const *, uint32 const *, uint32 const *, unsigned int) ;
extern void bu_submod (uint32 *, uint32 const *, uint32 const *, uint32 const *, unsigned int) ;
extern int bu_invmod (uint32 *, uint32 const *, unsigned int) ;
extern int bu_divmod (uint32 *, uint32 const *, uint32 const *, uint32 const *, unsigned int) ;
#endif
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