fig18.18

来自「unix环境编程」· 18 代码 · 共 20 行

#include "apue.h"

char	*getpass(const char *);

int
main(void)
{
	char	*ptr;

	if ((ptr = getpass("Enter password:")) == NULL)
		err_sys("getpass error");
	printf("password: %s\n", ptr);

	/* now use password (probably encrypt it) ... */

	while (*ptr != 0)
		*ptr++ = 0;		/* zero it out when we're done with it */
	exit(0);
}