[C] Помогите! если ввожу первым Х, то ничего не получается. И почему я не могу ввести больше одного числа?

[Lucky_Vadim]

#include "stdafx.h" 
#include "windows.h" 
#include "ctype.h" 
#include "conio.h" 
#include "string.h" 
#define NUM_MAXLEN 40 

typedef struct queue
{
	char value;
	struct queue *next;
} QUEUE;

QUEUE* input(char* x, char* y, char* z); 
void create(QUEUE *ptr, char c); 
void output(QUEUE *ptr); 
char charIn();
QUEUE* task(QUEUE* queue1, char x, char y, char z); 

int _tmain(int argc, _TCHAR* argv[])
{
	QUEUE *inputPtr, *newPtr;
	char x, y, z;

	system("color F0");
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	inputPtr = input(&x, &y, &z);
	printf("\nВведённый список:");
	output(inputPtr);
	newPtr = task(inputPtr, x, y, z);
	printf("Новый список:");
	output(newPtr);
	system("pause");

	return 0;
}

char charIn()
{
	unsigned char c = '\0';
	char c1;
	bool inp = false;

	while (c != 13)
	{
		c = _getch();
		if (!inp)
		{
			printf("%c", c);
			c1 = c;
			inp = true;
		}
		else if (c == 8 && inp)
		{
			printf("\b");
			printf(" ");
			printf("\b");
			inp = false;
		}
	}

	return c1;
}

QUEUE* input(char* x, char* y, char* z)
{
	char c = '\0';
	float num;
	int i;
	QUEUE* ptr = new QUEUE;
	QUEUE* head = ptr;

	printf("Введите X: ");
	*x = charIn();
	printf("\n");
	printf("Введите Y: ");
	*y = charIn();
	printf("\n");
	printf("Введите Z: ");
	*z = charIn();
	printf("\n");
	for (i = 0; c != 13; i++)
	{
		printf("A[%d]: ", i + 1);
		c = charIn();
		if (c == 13)
		{
			delete ptr->next;
			ptr->next = NULL;
		}
		else
		{
			if (i != 0)
				ptr = ptr->next;
			create(ptr, c);
		}
		printf("\n");
	}
	printf("\n");

	return head;
}

void create(QUEUE *ptr, char c)
{
	ptr->value = c;
	ptr->next = new QUEUE;
}

void output(QUEUE *ptr)
{
	printf("\n");
	do
	{
		printf("%c ", ptr->value);
		ptr = ptr->next;
	} while (ptr->next != NULL);
	printf("%c", ptr->value);
	printf("\n\n");
}

QUEUE* task(QUEUE* queue1, char x, char y, char z)
{
	QUEUE* queue2 = new QUEUE;
	QUEUE* head = queue2;

	while (queue1->next != NULL)
	{
		if (queue1->next->value == x)
		{
			create(queue2, queue1->value);
			queue2 = queue2->next;
			create(queue2, y);
			queue2 = queue2->next;
			create(queue2, x);
			queue2 = queue2->next;
			create(queue2, z);
			if (queue1->next != NULL)
				queue2 = queue2->next;
			queue1 = queue1->next;
		}
		else
		{
			create(queue2, queue1->value);
			if (queue1->next != NULL)
				queue2 = queue2->next;
		}
		queue1 = queue1->next;
	}
	queue2->value = queue1->value;
	queue2->next = NULL;

	return head;
}