figc.5

来自「UNIX环境高级编程书的源代码」· 5 代码 · 共 15 行

#include "apue.h"
#include <pwd.h>

int
main(void)		/* FreeBSD/Mac OS X version */
{
	struct passwd	*ptr;

	if ((ptr = getpwnam("sar")) == NULL)
		err_sys("getpwnam error");
	printf("pw_passwd = %s\n", ptr->pw_passwd == NULL ||
	  ptr->pw_passwd[0] == 0 ?  "(null)" : ptr->pw_passwd);
	exit(0);
}