2008-04-29 ÏÂÎç 02:54
/* an example of struct */ struct st_ex { char product[16]; float price; }; /* qsort struct comparision function (price float field) */ int struct_cmp_by_price(const void *a, const void *b) { struct st_ex *ia = (str |
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2008-04-29 ÏÂÎç 02:50
qsort() takes four arguments:
void qsort(void *base, size_t nel, size_t width, int (*compar)(const void *, const void *));
- base ¡ª is a pointer to the beginning of data array
- nel ¡ª is a number of elements
- width ¡ª is a size of each element (in bytes)
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2008-04-25 ÉÏÎç 11:05
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2008-04-03 ÏÂÎç 01:41
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2008-04-03 ÏÂÎç 01:40
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