PA5

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <Windows.h>


void *replaceText(char *text, char *target, char *replace, int maxStr) {
	char* fin = strstr(text, target);
	char buff[99] = "";
	char* point = text;
	int lenre, lenta, lente;
	for (int i = 0; replace[i]; i++) {
		lenre = i + 1;
	}
	for (int i = 0; text[i]; i++) {
		lente = i + 1;
	}
	for (int i = 0; target[i]; i++) {
		lenta = i + 1;
	}
	int i = 0;
	while (fin != NULL) {
		int d = fin - text;
		char temp[99] = "";
		for (i = 0; i < fin - text; i++) {
			temp[i] = text[i];
		}
		int temp2 = i;
		for (int k = 0; k < lenre ; k++,i++) {
			temp[i] = replace[k];
		}
		strcat(buff, temp);
		text += d + lenta;

		fin = strstr(text, target);
	}
	strcpy(point, buff);
}
void scroll(char *str, int n) {
	int temp = 0;
	for (int i = 0; str[i]; ++i) {
		temp = i + 1;
	}
	for (int j = 0; j < n; j++) {
		for (int i = 0; i< temp; i++) {
			for (int k = i; k < temp + i; k++) {
				printf("%c", str[(temp + k) % (temp)]);
			}
			system("cls");
			Sleep(100);
		}
	}
}
int main() {

	char text[99], target[99], replace[99];

	printf("Enter a text : ");
	scanf_s(" %[^\n]s", text, 99);
	printf("Enter a word to find : ");
	scanf_s(" %[^\n]s", target, 99);
	printf("Enter a new word : ");
	scanf_s(" %[^\n]s", replace, 99);
	replaceText(text, target, replace, 15);

	scroll(text, 2); 
}