add Vova`s list

other/Vova/list/fulfill.c

@@ -0,0 +1,60 @@
+#include "head.h"
+
+int main(int argc, char *argv[])
+{
+    printf("Hello! Let's begin\n");
+    srand(time(0));
+    Node *n1 = NULL;
+    Node *n2 = NULL;
+    Node *n3 = NULL;
+
+    if ((n1 = malloc(sizeof(Node))) == NULL || (n2 = malloc(sizeof(Node))) == NULL || (n3 = malloc(sizeof(Node))) == NULL)
+    {
+        printf("No memory for you\n");
+        exit(2);
+    }
+    n1 = add_tail(n1, "tail");
+
+    printf("First error\n");
+
+    int i;
+    for (i = 0; i < CO; i++)
+    {
+        char s[LEN];
+        int m;
+        printf("Let it be\n");
+        for (m = 0; m < LEN - 1; m++)
+            s[m] = 'V' + rand() % 2;
+        s[LEN - 1] = '\0';
+
+        n1 = add_tail(n1, s);
+        printf("10");
+        for (m = 0; m < LEN - 1; m++)
+        {
+            s[m] = 'V' + rand() % 2;
+            printf("20");
+        }
+        s[LEN - 1] = '\0';
+        n2 = add_tail(n2, s);
+    }
+
+    printf("Initial arrays:\n");
+    node_print(n1);
+    printf("\n");
+    node_print(n2);
+
+    n3 = find_0(n1, n2);
+
+    printf("\n");
+
+    printf("Final version:\n");
+    node_print(n3);
+
+    free(n1);
+    free(n2);
+    free(n3);
+
+    printf("That's all for now\n");
+
+    return 0;
+}

other/Vova/list/funcinst.c

@@ -0,0 +1,106 @@
+#include "head.h"
+
+void node_print(Node *n)
+{
+    while (n != NULL)
+    {
+        printf("%s\n", n->name);
+        n = n->ne;
+    }
+}
+
+int len(Node *n)
+{
+    int f = 0;
+    while (n != NULL)
+    {
+        f++;
+        n = n->ne;
+    }
+    return f;
+}
+
+Node *add_tail(Node *n, char s[])
+{
+    if (n == NULL)
+    {
+        if ((n = malloc(sizeof(Node))) == NULL)
+        {
+            printf("No memory for you\n");
+            exit(1);
+        }
+        n->ne = NULL;
+        n->prv = NULL;
+        memcpy(n->name, s, LEN);
+        return n;
+    }
+    if (!strcmp(n->name, "\0"))
+    {
+        memcpy(n->name, s, LEN);
+        n->ne = NULL;
+        n->prv = NULL;
+        return n;
+    }
+    Node *res = n;
+    while (n->ne != NULL)
+    {
+        printf("%p\n", n);
+        n = n->ne;
+    }
+    Node *tmp = malloc(sizeof(Node));
+    memcpy(tmp->name, s, LEN);
+    tmp->prv = n;
+    n->ne = tmp;
+    return res;
+}
+
+Node get(Node *node, int n)
+{
+    int k;
+    for (k = 0; k < n; k++)
+    {
+        node = node->ne;
+    }
+    return *node;
+}
+
+Node *find_0(Node *n1, Node *n2)
+{
+    int i, j, f = 0;
+    Node *res = NULL;
+    if ((res = malloc(sizeof(Node))) == NULL)
+    {
+        printf("No memory for you\n");
+        exit(3);
+    }
+
+    for (i = 0; i < len(n1); i++)
+    {
+        for (j = 0; j < len(n2); j++)
+        {
+            if (strcmp(get(n1, i).name, get(n2, j).name) == 0)
+            {
+                f = 1;
+            }
+        }
+        if (f == 0)
+            res = add_tail(res, get(n1, i).name);
+        f = 0;
+    }
+
+    for (i = 0; i < len(n2); i++)
+    {
+        for (j = 0; j < len(n1); j++)
+        {
+            if (strcmp(get(n2, i).name, get(n1, j).name) == 0)
+            {
+                f = 1;
+            }
+        }
+        if (f == 0)
+            res = add_tail(res, get(n2, i).name);
+        f = 0;
+    }
+
+    return res;
+}

other/Vova/list/head.h

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#define CO 3
+#define LEN 3
+
+typedef struct Node
+{
+    char name[LEN];
+    struct Node *ne;
+    struct Node *prv;
+} Node;
+
+void node_print(Node *n);
+Node *add_tail(Node *n, char s[]);
+Node get(Node *node, int n);
+Node *find_0(Node *n1, Node *n2);
+int len(Node *n);