scratch

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#define N 100

struct Sentence{
    char* sentence;
};

char* get_sent(char** string, int n){
    char* str = *string;
    int i = 0;
    char s;
    while(i < n){
        scanf("%c", &s);
        if(s == '.'|| s == '\n')
            break;
        else
            str[i] = s;
        i++;
    }
    str[i + 1] = '.';
    str[i + 2] = '\0';
    return str;
}


int main() {
    char* sent = malloc(N * sizeof(char));
    get_sent(&sent, N);
    struct Sentence my_sent = {sent};
    for(int i = 0; my_sent.sentence[i]; i++)
        printf("%c", my_sent.sentence[i]);
    free(sent);
    return 0;
}