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2999
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1 /* c-memstr.h: memcpy, strchr, etc. |
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2 |
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3 Copyright (C) 1992, 93, 94, 95, 97 Free Software Foundation, Inc. |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Library General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Library General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Library General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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18 |
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19 #ifndef KPATHSEA_C_MEMSTR_H |
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20 #define KPATHSEA_C_MEMSTR_H |
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21 |
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22 /* <X11/Xfuncs.h> tries to declare bcopy etc., which can only conflict. */ |
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23 #define _XFUNCS_H_ |
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24 |
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25 /* Just to be complete, we make both the system V/ANSI and the BSD |
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26 versions of the string functions available. */ |
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27 #if defined (STDC_HEADERS) || defined (HAVE_STRING_H) |
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28 #if 0 /* OK, we'll try without; seems to be unnecessary now. */ |
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29 #define SYSV /* so <X11/Xos.h> knows not to include <strings.h> */ |
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30 #endif /* 0 */ |
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31 #include <string.h> |
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32 |
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33 /* An ANSI string.h and pre-ANSI memory.h might conflict. */ |
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34 #if !defined (STDC_HEADERS) && defined (HAVE_MEMORY_H) |
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35 #include <memory.h> |
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36 #endif /* not STDC_HEADERS and HAVE_MEMORY_H */ |
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37 |
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38 /* Do not define these if we are not STDC_HEADERS, because in that |
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39 case X11/Xos.h defines `strchr' to be `index'. */ |
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40 #ifdef STDC_HEADERS |
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41 /* Let's hope that if index/rindex are defined, they're defined to the |
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42 right thing. */ |
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43 #ifndef index |
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44 #define index strchr |
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45 #endif |
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46 #ifndef rindex |
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47 #define rindex strrchr |
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48 #endif |
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49 #endif /* STDC_HEADERS */ |
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50 |
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51 #ifndef HAVE_BCOPY |
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52 #ifndef bcmp |
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53 #define bcmp(s1, s2, len) memcmp ((s1), (s2), (len)) |
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54 #endif |
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55 #ifndef bcopy |
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56 #define bcopy(from, to, len) memcpy ((to), (from), (len)) |
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57 #endif |
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58 #ifndef bzero |
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59 #define bzero(s, len) memset ((s), 0, (len)) |
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60 #endif |
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61 #endif /* not HAVE_BCOPY */ |
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62 |
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63 #else /* not (STDC_HEADERS or HAVE_STRING_H) */ |
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64 |
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65 #include <strings.h> |
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66 |
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67 #ifndef strchr |
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68 #define strchr index |
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69 #endif |
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70 #ifndef strrchr |
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71 #define strrchr rindex |
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72 #endif |
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73 |
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74 #define memcmp(s1, s2, n) bcmp ((s1), (s2), (n)) |
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75 #define memcpy(to, from, len) bcopy ((from), (to), (len)) |
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76 |
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77 extern char *strtok (); |
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78 extern char *strstr (); |
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79 |
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80 #endif /* not (STDC_HEADERS or HAVE_STRING_H) */ |
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81 |
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82 #endif /* not KPATHSEA_C_MEMSTR_H */ |
