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/*
* This example tests the qsort function, and more
* in general function pointers passed to library functions.
*/
#include <stdlib.h>
#include <stdio.h>
static int
cmp(const void *pa, const void *pb)
{
int a = *(const int*)pa;
int b = *(const int*)pb;
return (a - b);
}
int main()
{
int a[6] = {9, -3, 4, 0, 1, -2};
int b[6];
int i;
for (i=0; i < 6; ++i)
printf("a[%d] = %d\n", i, a[i]);
printf("\n", i, a[i]);
qsort (a, 6, sizeof (int), cmp);
for (i=0; i < 6; ++i)
printf("a[%d] = %d\n", i, a[i]);
for (i=0; i < 5; ++i)
if (a[i] > a[i+1])
return 1;
return 0;
}
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