}\r
\r
// now we can add a new variable\r
current->next = malloc(sizeof(node_t));\r
current->next->val = val;\r
current->next->next = NULL;\r
}\r
\r
// now we can add a new variable\r
current->next = malloc(sizeof(node_t));\r
current->next->val = val;\r
current->next->next = NULL;\r