linux环境c程序设计光盘

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>

int main() {
    int fd;
    char buffer[1024];
    ssize_t bytes_read;

    // 打开光盘设备文件
    fd = open("/dev/cdrom", O_RDONLY);
    if (fd == -1) {
        perror("Error opening /dev/cdrom");
        return EXIT_FAILURE;
    }

    // 读取光盘内容
    bytes_read = read(fd, buffer, sizeof(buffer));
    if (bytes_read == -1) {
        perror("Error reading /dev/cdrom");
        close(fd);
        return EXIT_FAILURE;
    }

    // 打印读取的内容
    printf("Read %zd bytes from /dev/cdrom:\n", bytes_read);
    fwrite(buffer, 1, bytes_read, stdout);

    // 关闭文件描述符
    close(fd);

    return EXIT_SUCCESS;
}