Common sorting c code implementation

direct insertion sort

void insertSort(int data[], int n) {
	int i, j, tmp;
	for (i = 1; i < n; i++) {
		tmp = data[i];
		for (j = i - 1; j >= 0 && tmp < data[j]; j--) {
			data[j + 1] = data[j];
		}
		data[j + 1] = tmp;
	}
}

Bubble Sort

void bubbleSort(int data[], int n) {
	int i, j, tmp;
	for (i = 1; i < n; i++) {
		for (j = 0; j < n - i; j++) {
			if (data[j] > data[j + 1]) {
				tmp = data[j + 1];
				data[j + 1] = data[j];
				data[j] = tmp;
			}
		}
	}
}

selection sort

void selectSort(int data[], int n) {
	int i, j, k, tmp;
	for (i = 0; i < n - 1; i++) {
		k = i;
		for (j = i + 1; j < n; j++) {
			if (data[j] < data[k]) {
				k = j;
			}
		}
		if (k != i) {
			tmp = data[i];
			data[i] = data[k];
			data[k] = tmp;
		}
	}
}

Hill sort

void shellSort(int data[], int n) {
	int i, j, k, tmp;
	for (k = n / 2; k > 1; k = k / 2) {
		for (i = k; i < n; i += k) {
			tmp = data[k];
			for (j = i - k; j >= 0 && tmp < data[j]; j -= k) {
				data[j + k] = data[j];
			}
			data[j + k] = tmp;
		}
	}
}

quick sort

int partition(int data[], int low, int high) {
	int i, j, pivot;
	i = low;
	j = high;
	pivot = data[low];
	while (i < j) {
		while (i < j && data[j] >= pivot) {
			j--;
		}
		data[i] = data[j];
		while (i < j && data[i] <= pivot) {
			i++;
		}
		data[j] = data[i];
	}
	data[i] = pivot;
	return i;
}

void quickSort(int data[], int low, int high) {
	if (low < high) {
		int loc = partition(data, low, high);
		quickSort(data, low, loc - 1);
		quickSort(data, loc + 1, high);
	}
}