Разделить строку на слова

#include <cstdio>
#include <cstdlib>
 
char * my_strtok (char * string, const char * control) {
    static char *nextoken;
    unsigned char map[32];
    int count;
    for (count = 0; count < 32; map[count++] = 0);
 
    const unsigned char *ctrl = (unsigned char*) control;
    do { map[*ctrl >> 3] |= (1 << (*ctrl & 7)); } while (*ctrl++);
 
    char * str = (string ? string : nextoken);
    for (;(map[*str >> 3] & (1 << (*str & 7))) && *str; ++str);
 
    string = str;
    for (; *str; ++str) {
        if (map[*str >> 3] & (1 << (*str & 7))) {
            *str++ = '\0';
            break;
        }
    }
    nextoken = str;
 
    return ((string == str) ? NULL : string);
}
 
int main() {
    char string[]  = "Ala ma kota, a kot ma ale";
    char dlm[]     = " .,";
    char **strings = (char**) malloc(sizeof(char*)), t;
    int count = 0;
 
    strings[count] = my_strtok(string, dlm);
    for (;;) {
        if (!strings[count]) break;
        ++count;
        strings = (char**) realloc(strings, (count + 1) * sizeof(char*));
        if (!strings) exit(1);
        strings[count] = my_strtok(NULL, dlm);
    }
 
    for (int i = 0; i < count; ++i) {
        printf("%d) %s\n", i, strings[i]);
    }
 
    free(strings);
 
    return 0;
}