forked from KolibriOS/kolibrios
set default newlib dir's structure
git-svn-id: svn://kolibrios.org@4874 a494cfbc-eb01-0410-851d-a64ba20cac60
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60
contrib/sdk/sources/newlib/libc/string/strcasecmp.c
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60
contrib/sdk/sources/newlib/libc/string/strcasecmp.c
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/*
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FUNCTION
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<<strcasecmp>>---case-insensitive character string compare
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INDEX
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strcasecmp
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ANSI_SYNOPSIS
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#include <strings.h>
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int strcasecmp(const char *<[a]>, const char *<[b]>);
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TRAD_SYNOPSIS
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#include <strings.h>
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int strcasecmp(<[a]>, <[b]>)
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char *<[a]>;
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char *<[b]>;
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DESCRIPTION
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<<strcasecmp>> compares the string at <[a]> to
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the string at <[b]> in a case-insensitive manner.
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RETURNS
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If <<*<[a]>>> sorts lexicographically after <<*<[b]>>> (after
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both are converted to lowercase), <<strcasecmp>> returns a
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number greater than zero. If the two strings match,
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<<strcasecmp>> returns zero. If <<*<[a]>>> sorts
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lexicographically before <<*<[b]>>>, <<strcasecmp>> returns a
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number less than zero.
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PORTABILITY
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<<strcasecmp>> is in the Berkeley Software Distribution.
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<<strcasecmp>> requires no supporting OS subroutines. It uses
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tolower() from elsewhere in this library.
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QUICKREF
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strcasecmp
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*/
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#include <strings.h>
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#include <ctype.h>
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int
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_DEFUN (strcasecmp, (s1, s2),
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_CONST char *s1 _AND
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_CONST char *s2)
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{
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_CONST unsigned char *ucs1 = (_CONST unsigned char *) s1;
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_CONST unsigned char *ucs2 = (_CONST unsigned char *) s2;
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int d = 0;
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for ( ; ; )
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{
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_CONST int c1 = tolower(*ucs1++);
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_CONST int c2 = tolower(*ucs2++);
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if (((d = c1 - c2) != 0) || (c2 == '\0'))
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break;
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}
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return d;
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}
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