A quick (singly) linked list demo in C

ll.c

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>

typedef struct node {
    char *str;
    struct node *next;
} Node;

/* list */

Node *list_make(int argc, char *argv[])
{
    Node *curr, *head = NULL;

    for (size_t i = argc - 1; i > 0; i--) {
        curr = malloc(sizeof(Node));
        assert(curr != NULL);

        curr->str = argv[i];
        curr->next = head;

        printf("making node for arg #%lu at %p: str=%s, next=%p\n",
            i, curr, curr->str, curr->next);

        head = curr;
    }

    return head;
}

void list_print(Node *n)
{
    while (n != NULL) {
        printf("printing node at %p: str=%s, next=%p\n", n, n->str, n->next);

        n = n->next;
    }
}

void list_free(Node *n)
{
    Node *tmp;

    while (n != NULL) {
        printf("freeing node at %p: str=%s, next=%p\n", n, n->str, n->next);

        tmp = n;
        n = n->next;
        free(tmp);
    }
}

/* main */

/*
    $ make ll
    $ ./ll foo bar baz qux
    making node for arg #4 at 0x7fe990404b20: str=qux, next=0x0
    making node for arg #3 at 0x7fe990404b30: str=baz, next=0x7fe990404b20
    making node for arg #2 at 0x7fe990404b40: str=bar, next=0x7fe990404b30
    making node for arg #1 at 0x7fe990404b50: str=foo, next=0x7fe990404b40
    ---
    printing node at 0x7fe990404b50: str=foo, next=0x7fe990404b40
    printing node at 0x7fe990404b40: str=bar, next=0x7fe990404b30
    printing node at 0x7fe990404b30: str=baz, next=0x7fe990404b20
    printing node at 0x7fe990404b20: str=qux, next=0x0
    ---
    freeing node at 0x7fe990404b50: str=foo, next=0x7fe990404b40
    freeing node at 0x7fe990404b40: str=bar, next=0x7fe990404b30
    freeing node at 0x7fe990404b30: str=baz, next=0x7fe990404b20
    freeing node at 0x7fe990404b20: str=qux, next=0x0
*/

int main(int argc, char *argv[])
{
    if (argc < 2) {
        printf("usage: %s <str1> <str2> ... <strN>\n", argv[0]);
        return 1;
    }

    Node *head = list_make(argc, argv);
    printf("---\n");
    list_print(head);
    printf("---\n");
    list_free(head);
    return 0;
}