#include #include int compare_int(int *pi1, int *pi2) { return *pi1 - *pi2; } int main(void) { int t[] = {6, 2, 8, 6, 4, 8, 2, 9, 2, 1}; qsort(t, 10, sizeof(int), (int (*)(const void *, const void *))compare_int); for (int i = 0; i < 10; i++) { printf("%d ", t[i]); } printf("\n"); return EXIT_SUCCESS; }