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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
 
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)

 
2008-04-25 ÉÏÎç 11:05
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