在Linux上的C程序中屏蔽密码字符

#include <stdio.h>
#include <unistd.h>
#include <crypt.h>

int main() {
    char *password = getpass("Enter password: ");
    printf("Password: %s\n", password);
    return 0;
}

#include <stdio.h>
#include <termios.h>

int main() {
    struct termios old, new;
    char password[20];

    tcgetattr(fileno(stdin), &old);
    new = old;
    new.c_lflag &= ~ECHO;

    printf("Enter password: ");
    tcsetattr(fileno(stdin), TCSAFLUSH, &new);
    fgets(password, sizeof(password), stdin);
    tcsetattr(fileno(stdin), TCSAFLUSH, &old);

    printf("Password: %s\n", password);
    return 0;
}