linux下键盘输入监听

import sys
import select

def listen_stdin():
    print("Listening for input...")
    while True:
        # 使用select监听标准输入
        readable, _, _ = select.select([sys.stdin], [], [], 1)
        if readable:
            input_data = sys.stdin.readline().strip()
            if input_data:
                print(f"You entered: {input_data}")

if __name__ == "__main__":
    listen_stdin()

#include <stdio.h>
#include <fcntl.h>
#include <linux/input.h>
#include <unistd.h>

int main(int argc, char* argv[]) {
    int fd;
    struct input_event ev;

    if (argc != 2) {
        fprintf(stderr, "Usage: %s /dev/input/eventX
", argv[0]);
        return 1;
    }

    fd = open(argv[1], O_RDONLY);
    if (fd == -1) {
        perror("Cannot open input device");
        return 1;
    }

    while (1) {
        read(fd, &ev, sizeof(ev));
        if (ev.type == EV_KEY) {
            printf("Key %d %s
", ev.code, ev.value ? "pressed" : "released");
        }
    }

    close(fd);
    return 0;
}