Untitled

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

int cmp(const void *a, const void *b)
{
	return strcmp(*(char **) a, *(char **) b);
}

int main()
{
	char text[1000];
	char *subStr = malloc(30 * sizeof(char));
	int count = 1;
	fgets(text, 1000, stdin);
	fgets(subStr, 30, stdin);
	for (int i = 0; i < strlen(text); i++)
		if (text[i] == ' ') count++;
	char **words = malloc(sizeof(char *) * count);
	words[0] = strtok(text, " .");
	for (int i = 1; i < count; i++)
		words[i] = strtok(NULL, " .");
	qsort(words, count, sizeof(char *), cmp);
	if (bsearch(&subStr, words, count, sizeof(char *), cmp))
		puts("exists");
	else
		puts("doesn't exist");
	return 0;
}