Family Day update

Task/Arrays/C/arrays-10.c

@@ -0,0 +1,59 @@
+#include <stdlib.h>
+#include <stdio.h>
+typedef struct node{
+  char value;
+  struct node* next;
+} node;
+typedef struct charList{
+  node* first;
+  int size;
+} charList;
+
+charList createList(){
+  charList foo = {.first = NULL, .size = 0};
+  return foo;
+}
+int addEl(charList* list, char c){
+  if(list != NULL){
+    node* foo = (node*)malloc(sizeof(node));
+    if(foo == NULL) return -1;
+    foo->value = c; foo->next = NULL;
+    if(list->first == NULL){
+      list->first = foo;
+    }else{
+      node* it= list->first;
+      while(it->next != NULL)it = it->next;
+      it->next = foo;
+    }
+    list->size = list->size+1;
+    return 0;
+  }else return -1;
+}
+int removeEl(charList* list, int index){
+    if(list != NULL && list->size > index){
+      node* it = list->first;
+      for(int i = 0; i < index-1; i++) it = it->next;
+      node* el = it->next;
+      it->next = el->next;
+      free(el);
+      list->size--;
+      return 0;
+    }else return -1;
+}
+char getEl(charList* list, int index){
+    if(list != NULL && list->size > index){
+        node* it = list->first;
+        for(int i = 0; i < index; i++) it = it->next;
+        return it->value;
+    }else return '\0';
+}
+static void cleanHelp(node* el){
+  if(el != NULL){
+    if(el->next != NULL) cleanHelp(el->next);
+    free(el);
+  }
+}
+void clean(charList* list){
+  cleanHelp(list->first);
+  list->size = 0;
+}