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1 // $Header: /home/dashley/cvsrep/e3ft_gpl01/e3ft_gpl01/lib_c++_c_asm_non_uc/src_os_unix_win/c___app_common/charfunc/charfunc.h,v 1.2 2007/01/14 08:26:49 dashley Exp $
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564 //License will continue to apply to the part which is the covered work,
565 //but the special requirements of the GNU Affero General Public License,
566 //section 13, concerning interaction through a network will apply to the
567 //combination as such.
568 //
569 // 14. Revised Versions of this License.
570 //
571 // The Free Software Foundation may publish revised and/or new versions of
572 //the GNU General Public License from time to time. Such new versions will
573 //be similar in spirit to the present version, but may differ in detail to
574 //address new problems or concerns.
575 //
576 // Each version is given a distinguishing version number. If the
577 //Program specifies that a certain numbered version of the GNU General
578 //Public License "or any later version" applies to it, you have the
579 //option of following the terms and conditions either of that numbered
580 //version or of any later version published by the Free Software
581 //Foundation. If the Program does not specify a version number of the
582 //GNU General Public License, you may choose any version ever published
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584 //
585 // If the Program specifies that a proxy can decide which future
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587 //public statement of acceptance of a version permanently authorizes you
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589 //
590 // Later license versions may give you additional or different
591 //permissions. However, no additional obligations are imposed on any
592 //author or copyright holder as a result of your choosing to follow a
593 //later version.
594 //
595 // 15. Disclaimer of Warranty.
596 //
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598 //APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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616 //SUCH DAMAGES.
617 //
618 // 17. Interpretation of Sections 15 and 16.
619 //
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624 //Program, unless a warranty or assumption of liability accompanies a
625 //copy of the Program in return for a fee.
626 //
627 // END OF TERMS AND CONDITIONS
628 //
629 // How to Apply These Terms to Your New Programs
630 //
631 // If you develop a new program, and you want it to be of the greatest
632 //possible use to the public, the best way to achieve this is to make it
633 //free software which everyone can redistribute and change under these terms.
634 //
635 // To do so, attach the following notices to the program. It is safest
636 //to attach them to the start of each source file to most effectively
637 //state the exclusion of warranty; and each file should have at least
638 //the "copyright" line and a pointer to where the full notice is found.
639 //
640 // <one line to give the program's name and a brief idea of what it does.>
641 // Copyright (C) <year> <name of author>
642 //
643 // This program is free software: you can redistribute it and/or modify
644 // it under the terms of the GNU General Public License as published by
645 // the Free Software Foundation, either version 3 of the License, or
646 // (at your option) any later version.
647 //
648 // This program is distributed in the hope that it will be useful,
649 // but WITHOUT ANY WARRANTY; without even the implied warranty of
650 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
651 // GNU General Public License for more details.
652 //
653 // You should have received a copy of the GNU General Public License
654 // along with this program. If not, see <http://www.gnu.org/licenses/>.
655 //
656 //Also add information on how to contact you by electronic and paper mail.
657 //
658 // If the program does terminal interaction, make it output a short
659 //notice like this when it starts in an interactive mode:
660 //
661 // <program> Copyright (C) <year> <name of author>
662 // This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
663 // This is free software, and you are welcome to redistribute it
664 // under certain conditions; type `show c' for details.
665 //
666 //The hypothetical commands `show w' and `show c' should show the appropriate
667 //parts of the General Public License. Of course, your program's commands
668 //might be different; for a GUI interface, you would use an "about box".
669 //
670 // You should also get your employer (if you work as a programmer) or school,
671 //if any, to sign a "copyright disclaimer" for the program, if necessary.
672 //For more information on this, and how to apply and follow the GNU GPL, see
673 //<http://www.gnu.org/licenses/>.
674 //
675 // The GNU General Public License does not permit incorporating your program
676 //into proprietary programs. If your program is a subroutine library, you
677 //may consider it more useful to permit linking proprietary applications with
678 //the library. If this is what you want to do, use the GNU Lesser General
679 //Public License instead of this License. But first, please read
680 //<http://www.gnu.org/philosophy/why-not-lgpl.html>.
681 //-------------------------------------------------------------------------------------------------
682 //This module defines functions which operate on characters as a data type. Most of
683 //these operations are very primitive.
684 //
685 #ifndef CHARFUNC_H_INCLUDED
686 #define CHARFUNC_H_INCLUDED
687
688 #ifdef MODULE_CHARFUNC
689 #define DECMOD_CHARFUNC
690 #else
691 #define DECMOD_CHARFUNC extern
692 #endif
693
694 //Character classification functions --------------------------
695 //
696 //!=0 if digit, 0 otherwise.
697 DECMOD_CHARFUNC int CHARFUNC_is_digit(char c);
698 //
699 //!=0 if lower-case letter, 0 otherwise.
700 DECMOD_CHARFUNC int CHARFUNC_is_letter_lc(char c);
701 //
702 //!=0 if upper-case letter, 0 otherwise.
703 DECMOD_CHARFUNC int CHARFUNC_is_letter_uc(char c);
704 //
705 //!=0 if whitespace, 0 otherwise. Whitespace is defined as space,
706 //tab, or newline.
707 DECMOD_CHARFUNC int CHARFUNC_is_whitespace(char c);
708
709 //Hexadecimal arithmetic/presentation functions --------------------------
710 //
711 //Returns the value of a digit (0-9), or -1 if the
712 //passed character is not a digit.
713 DECMOD_CHARFUNC int CHARFUNC_digit_to_val(char digit);
714
715 //Returns a lower-case character corresponding to the
716 //lowest nibble of the argument.
717 DECMOD_CHARFUNC char CHARFUNC_nibble_to_lc_hex_digit(int nibble);
718
719 //Converts a passed integer to 8 hex digits, lower case letters,
720 //in reverse order (LSB first), with no terminator. s may not
721 //be null, and caller must provide space for s[0] through s[7].
722 //s[8] is not necessary (no terminator is appended.
723 DECMOD_CHARFUNC void CHARFUNC_int_to_lc_hex_rev(int arg, char *s);
724
725 //Character case conversion functions --------------------------
726 //
727 //If the character is a lower-case letter, converts it to an upper-case
728 //letter. All other characters are passed through unchanged.
729 DECMOD_CHARFUNC char CHARFUNC_to_upper(char c);
730
731 //If the character is an upper-case letter, converts it to a lower-case
732 //letter. All other characters are passed through unchanged.
733 DECMOD_CHARFUNC char CHARFUNC_to_lower(char c);
734
735 //Version control functions --------------------------
736 DECMOD_CHARFUNC const char *CHARFUNC_cvcinfo(void);
737 DECMOD_CHARFUNC const char *CHARFUNC_hvcinfo(void);
738 #define CHARFUNC_H_VERSION ("$Header: /home/dashley/cvsrep/e3ft_gpl01/e3ft_gpl01/lib_c++_c_asm_non_uc/src_os_unix_win/c___app_common/charfunc/charfunc.h,v 1.2 2007/01/14 08:26:49 dashley Exp $")
739 #endif
740
741
742 //**************************************************************************
743 // $Log: charfunc.h,v $
744 // Revision 1.2 2007/01/14 08:26:49 dashley
745 // Edits.
746 //
747 // Revision 1.1 2007/01/13 04:46:10 dashley
748 // Initial checkin.
749 //**************************************************************************
750 // End of $RCSfile: charfunc.h,v $.

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