тройные указатели!

#include <stdio.h>
#include <assert.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
 
#define DELIM " \t\n,./\\-+!@#$%^&?*()[]{}=|\'\""
 
size_t split_cstring(const char* str, const char* delims, char*** words);
 
int main(void)
{
    char str[] = "In the town where I was born"
                 "Lived a man who sailed to sea"
                 "And he told us of his life"
                 "In the land of submarines";
    char** word = NULL;
    size_t words = split_cstring(str, DELIM, &word), i = 0;
 
    for (i = 0; i < words; ++i)
    {
        printf("Word #%2d: %s\n", i + 1, word[i]);
        free(word[i]);
    }
 
    free(word);
 
    return 0;
}
 
size_t split_cstring(const char* str, const char* delims, char*** words)
{
    char *s = strdup(str), *ptr = NULL;
    size_t size = 10, count = 0;
 
    assert(str != NULL && "split_cstring: str == NULL");
    assert(delims != NULL && "split_cstring: delims == NULL");
    assert(words != NULL && "split_cstring: words == NULL");
 
    *words = (char**)malloc(size * sizeof(char*));
    assert(*words != NULL && "malloc error");
 
    for (ptr = strtok(s, delims); ptr != NULL; ptr = strtok(NULL, delims))
    {
        if (count == size)
        {
            size += (size_t)(1.6 * size);
            *words = (char**)realloc(*words, size * sizeof(char*));
            assert(*words != NULL && "realloc error");
        }
        (*words)[count++] = strdup(ptr);
    }
 
    *words = (char**)realloc(*words, count * sizeof(char*));
    free(s);
    return count;
}