Someone

int
main() {
	char				*html_buf, *buf, **tokens;
	const char 		delimiters[] = " ";
	int					cnt;
	cnt = 0;
	tokens = NULL;

	if ( (html_buf = malloc(BUF_APP_Q)) == NULL)
		err_sys("malloc error");
	
	if ( (buf = malloc(BUF_SIZE)) == NULL) {
		err_sys("malloc error");
	}

	strcpy(html_buf, "tirini  ta ta keke ");
	buf = strtok(html_buf, delimiters);
	
	while (buf != NULL)
	{
		if((tokens = realloc(tokens, (cnt+1) * sizeof(char *))) == NULL)
			err_sys("malloc error");
/* Prosekse oti einai * katw, oxi + an kai sumfwna me to iso sizeof(char) = 1 */
		if( ( tokens[cnt] = malloc(strlen(buf) * sizeof(char)) ) == NULL )
			err_sys("malloc error");
		strcpy(tokens[cnt], buf);
		buf = strtok(NULL, delimiters);
		cnt++;
	}
exit(0);
}