macOS Trying to define variable based on user input. (C)

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

		printf("We are going to play a guessing game, but first I need you to choose a level: easy, intermediate, or hard.\n");
	int rand;
	char level[20];
	fgets(level, 20, stdin);
		if(strcmp(level, "easy") == 0) {
			printf("Here is how to play:\nSince you picked the easy level, I will pick a random number between 1 and 100, and all you have to do is guess that number. Now since I am feeling generous I will tell you if your guess is too high or too low. Of course, you could always cheat by entering cheat, but you wouldn't cheat, would you? Now let's begin; make a guess:\n");
			srandom(time(NULL));
			rand = random() % 100;
			rand = rand + 1;
			}
			if(strcmp(level, "intermediate") == 0) {
			printf("Here is how to play:\nSince you picked the intermediate level, I will pick a random number between 1 and 1000, and all you have to do is guess that number. Now since I am feeling generous I will tell you if your guess is too high or too low. Of course, you could always cheat by entering cheat, but you wouldn't cheat, would you? Now let's begin; make a guess:\n");
			srandom(time(NULL));
			rand = random() % 1000;
			rand = rand + 1;
			}
			if(strcmp(level, "hard") == 0) {
			printf("Here is how to play:\nSince you picked the hard level, I will pick a random number between 1 and 10000, and all you have to do is guess that number. Now since I am feeling generous I will tell you if your guess is too high or too low. Of course, you could always cheat by entering cheat, but you wouldn't cheat, would you? Now let's begin; make a guess:\n");
			srandom(time(NULL));
			rand = random() % 10000;
			rand = rand + 1;
			}
		int guess;
		int guesses;
		guesses = 0;
		for(guess = -1; guess != rand; guesses++) {
			char guessinput[20];
			fgets(guessinput, 20, stdin);
			if(strcmp(guessinput, "cheat\n") == 0) {
				printf("My number is %d\n", rand);	
				guesses--;
			}
			if(!(guess = atoi(guessinput))) {
				printf("Please guess a number.\n");
			} else {
				if(guess > rand) 
					printf("Too high\n");
				else if(guess < rand)
					printf("Too low\n");
			}
		}
		if(guesses == 1) {
		printf("Congratulations! You Won!\nYou guessed my number in %d guess.\n", guesses);
		} else {
			printf("Congratulations! You Won!\nYou guessed my number in %d guesses.\n", guesses);
		}
		}
		return 0;
	exit(0);
}