87. Peek N Bytes from Circular Buffer

#include <stdio.h>

typedef struct {
    int buffer[10];
    int head;
    int tail;
    int count;
    int capacity;
} CircularBuffer;

// Write your logic inside this function
void peek_bytes(CircularBuffer *cb, int n) {
    // Your code here
        int i=0;
        while(n>0){
        if (cb->count>i){
            printf("%d",cb->buffer[cb->tail]);
            cb->tail = (cb->tail+1)%(cb->capacity);
        } else printf("NULL");
        i++;
        n--;
        if(n>0) printf(" ");
    }
}

int main() {
    CircularBuffer cb = {
        .buffer = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100},
        .head = 3,
        .tail = 7,
        .count = 6,
        .capacity = 10
    };

    int n;
    scanf("%d", &n);

    peek_bytes(&cb, n);

    return 0;
}