79. Extract Packet Fields from Byte Stream

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

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;
    p.start=*buffer;
    p.command=*(buffer+1);
    uint16_t buffer1=*(buffer+2);
    uint16_t buffer2=*(buffer+3);
    p.data=    buffer2<<8 | buffer1;
    p.crc=*(buffer+4);
    p.end=*(buffer+5);
printf("Start: %u\n",p.start);
printf("Command: %u\n",p.command);
printf("Data: %u\n",p.data);
printf("CRC: %u\n",p.crc);
printf("End: %u\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;
}