source: trunk/sys/dietlibc/strcasecmp.c @ 295

Last change on this file since 295 was 1, checked in by alain, 8 years ago

First import

File size: 393 bytes
Line 
1#include <strings.h>
2
3int  strcasecmp ( const char* s1, const char* s2 )
4{
5    register unsigned int  x2;
6    register unsigned int  x1;
7
8    while (1) {
9        x2 = *s2 - 'A'; if (x2 < 26u) x2 += 32;
10        x1 = *s1 - 'A'; if (x1 < 26u) x1 += 32;
11        s1++; s2++;
12        if ( x2 != x1 )
13            break;
14        if ( x1 == (unsigned int)-'A')
15            break;
16    }
17
18    return x1 - x2;
19}
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