Decode Status Register into Human-Readable Flags

#include <stdio.h>
#include <stdint.h>
typedef union {
    uint8_t reg_val;
    struct {
        uint8_t Poweron : 1;
        uint8_t Error : 1;
        uint8_t Tx_Ready : 1;
        uint8_t Rx_Ready : 1;
        uint8_t Overheat : 1;
        uint8_t Undervoltage : 1;
        uint8_t Timeout : 1;
        uint8_t Reserved : 1;
    } bit;
} reg_t;

void decode_status(uint8_t status_reg) {
    reg_t lreg;
    lreg.reg_val = status_reg;
    if(lreg.bit.Poweron)
        printf("Power On\n");
    if(lreg.bit.Error)
        printf("Error\n");
    if(lreg.bit.Tx_Ready)
        printf("Tx Ready\n");
    if(lreg.bit.Rx_Ready)
        printf("Rx Ready\n");
    if(lreg.bit.Overheat)
        printf("Overheat\n");
    if(lreg.bit.Undervoltage)
        printf("Undervoltage\n");
    if(lreg.bit.Timeout)
        printf("Timeout\n");
    if(lreg.bit.Reserved)
        printf("Reserved\n");
}

int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    decode_status(reg);
    return 0;
}

Solving Approach