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23 lines
493 B
C
23 lines
493 B
C
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#include <stdlib.h>
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#include "tolower_data.h"
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static int compul(const void *a, const void *b)
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{
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struct UPPER_LOWER *ul_a = (struct UPPER_LOWER *) a;
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struct UPPER_LOWER *ul_b = (struct UPPER_LOWER *) b;
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return ul_a->upper - ul_b->upper;
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}
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int str_utf8_tolower(int code)
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{
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struct UPPER_LOWER key;
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struct UPPER_LOWER *res;
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key.upper = code;
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res = bsearch(&key, tolower, NUM_TOLOWER, sizeof(struct UPPER_LOWER), compul);
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if(res == NULL)
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return code;
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return res->lower;
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}
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