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xt_int_cmp(3) Library Functions Manual xt_int_cmp(3) NAME xt_int_cmp() - Compare two ints for qsort(3), bsearch(3), etc. LIBRARY #include <xtend/math.h> -lxtend SYNOPSIS int xt_int_cmp(const int *n1, const int *n2) ARGUMENTS n1, n2 Pointers to two int values DESCRIPTION This is a function that compares two ints as a service to polymorphic func- tions such as qsort(3), bsearch(3), etc. The address of xt_int_cmp() is passed as an argument to perform the data type specific comparison on be- half of the sort of search function. RETURN VALUES A value > 0 if *n1 is greater than *n2 A value < 0 if *n1 is less than *n2 0 if the values are equal EXAMPLES int list[LIST_SIZE]; // sizeof(*list) will continue to work if we change the data type // We'll still need to change the cmp function, though qsort(list, LIST_SIZE, sizeof(*list), (int (*)(const void *, const void *))xt_int_cmp); SEE ALSO qsort(3), heapsort(3), mergesort(3), bsearch(3) xt_int_cmp(3)
NAME | LIBRARY | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURN VALUES | EXAMPLES | SEE ALSO
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