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Annotation of GNUtools/libg++/libio/dbz/case.h, revision 1.1.1.1

1.1       root        1: extern int cistrncmp();
                      2: extern char *rfc822ize();
                      3: 
                      4: extern char casemap[];
                      5: 
                      6: /* must call cistrncmp before invoking TOLOW... */
                      7: #define        TOLOW(c)        (casemap[(c)+128])      /* see case.c for why 128 */
                      8: 
                      9: /* ...but the use of it in CISTREQN is safe without the preliminary call (!) */
                     10: /* CISTREQN is an optimised case-insensitive strncmp(a,b,n)==0; n > 0 */
                     11: #define CISTREQN(a, b, n) \
                     12:        (TOLOW((a)[0]) == TOLOW((b)[0]) && cistrncmp(a, b, n) == 0)

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