#include

#include

#include

#include

#include

#include

char Getch()

{

int c = 0;

int res = 0;

struct termios org_opts, new_opts;

res = tcgetattr(STDIN_FILENO, &org_opts); //用于获取与终端相关的参数

if(res == -1)

{

printf("tcgetattr error! Error code: %d，Error message: %s\n", errno, strerror(errno));

c = '\n';

return c;

}

memcpy(&new_opts, &org_opts, sizeof(new_opts));

new_opts.c_lflag &= ~(ICANON | ECHO | ECHOE | ECHOK | ECHONL | ECHOPRT | ECHOKE | ICRNL);

res = tcsetattr(STDIN_FILENO, TCSANOW, &new_opts); //用于设置终端参数

if(res == -1)

{

printf("tcsetattr error! Error code: %d，Error message: %s\n", errno, strerror(errno));

c = '\n';

return c;

}

c = getchar();

res = tcsetattr(STDIN_FILENO, TCSANOW, &org_opts);

if(res == -1)

{

printf("tcsetattr error! Error code: %d，Error message: %s\n", errno, strerror(errno));

c = '\n';

return c;

}

return c;

}

char *GetPasswd()

{

char *strRet = (char *)malloc(64);

memset(strRet, 0, 64);

unsigned char c;

int i = 0;

while ((c = Getch()) != '\n')

{

if (i<64 && isprint(c))

{

strRet[i++] = c;

putchar('*');

}

else if ((i>0) && (c == '\b'))

{

--i;

putchar('\b');

putchar(' ');

putchar('\b');

}

}

strRet[i] = '\0';

return strRet;

}

int main()

{

printf("\n输入的密码为：%s\n",GetPasswd());

return 0;

}