File : s-memcom.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- S Y S T E M . M E M O R Y _ C O M P A R E --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 2006-2014, Free Software Foundation, Inc. --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 with Interfaces.C;
33
34 package System.Memory_Compare is
35 pragma Preelaborate;
36
37 function memcmp
38 (S1 : Address;
39 S2 : Address;
40 N : Interfaces.C.size_t) return Interfaces.C.int;
41 pragma Export (C, memcmp, "memcmp");
42 -- Compares the first n bytes of the memory areas s1 and s2. It returns
43 -- an integer less than, equal to, or greater than zero if s1 is
44 -- found, respectively, to be less than, to match, or be greater than s2.
45
46 end System.Memory_Compare;