pointers and arrays

Identify and write the error and the correct code line from the code snippet below:
int i = 0;

while (i < 5);

    printf("%d ", i++);

Identify and write the error and the correct code line from the code snippet below:
Description: a loop for an array with 5 elements

for (int i = 0; i <= 5; i++) {

    printf("%d ", i);

}

Identify and write the error and the correct code line from the code snippet below:
for (int i = 0; i < 5; i--) {

    printf("%d ", i);

}

Identify and write the error and the correct code line from the code snippet below:
int i;

while (i < 5) {

    printf("%d ", i++);

}

Identify and write the error and the correct code line from the code snippet below:
for (int i = 0; i < 5; i++) {

    if (i == 3);

        break;

    printf("%d ", i);

}

Identify and write the error and the correct code line from the code snippet below:
description: add function accepts 2 integer parameters and returns the integer sum result

int add(int a, int b) {

    int sum = a + b;

}

Identify and write the error and the correct code line from the code snippet below:
void multiply(int a, int b) {

    return a * b;

}

Identify and write the error and the correct code line from the code snippet below:
int square(int x) {

    return x * x;

}

int main() {

    printf("%d", square());

    return 0;

}

Identify and write the error and the correct code line from the code snippet below:
int printHello(char c) {

    printf("Hello\n");

    return 0;

}

Identify and write the error and the correct code line from the code snippet below:
int x = 10;

if (x = 5) {

    printf("True\n");

}