79. Extract Packet Fields from Byte Stream

#include <stdio.h>
#include <stdint.h>
#include <cstring>

typedef struct {
    uint8_t start;
    uint8_t command;
    uint16_t data;
    uint8_t crc;
    uint8_t end;
} Packet;

void print_packet_fields(uint8_t *buffer) {
    
    //Packet *p = (Packet*) buffer;//memcpy(&packet, buffer,6);
    
    //  printf("Start: %hhu\n", p->start);
    //  printf("Command: %hhu\n", p->command);
    //  printf("Data: %hu\n", p->data);
    //  printf("CRC: %hhu\n", p->crc);
    //  printf("End: %hhu\n", p->end);



    Packet p;
     memcpy(&p, buffer,6);

    printf("Start: %hhu\n", p.start);
     printf("Command: %hhu\n", p.command);
     printf("Data: %hu\n", p.data);
     printf("CRC: %hhu\n", p.crc);
     printf("End: %hhu\n", p.end);


}

int main() {
    uint8_t buffer[6];
    for (int i = 0; i < 6; i++) {
        scanf("%hhu", &buffer[i]);
    }
    print_packet_fields(buffer);
    return 0;
}