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1¡¢Ê¹ÓÃstruct passwd¹ÜÀíÓû§ÐÅÏ¢¡£
struct passwd
{
char *pw_name; /* Óû§µÇ¼Ãû */
char *pw_passwd; /* ÃÜÂë(¼ÓÃܺó)*/
__uid_t pw_uid; /* Óû§ID */
__gid_t pw_gid; /* ×éID */
char *pw_gecos; /* ÏêϸÓû§Ãû */
char *pw_dir; /* Óû§Ä¿Â¼ */
char *pw_shell; /* Shell³ÌÐòÃû */
};
2¡¢·ÖÎöÏಢµÄϵͳÎļþ/etc/passwd
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#include <grp.h>
#include <pwd.h>
#include <unistd.h>
#include <stdio.h>
int main ()
{
uid_t uid;
struct passwd *pw;
struct group *grp;
char **members;
uid = getuid ();
pw = getpwuid (uid);
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