getpwuid()详解

The passwd structure isdefined in<pwd.h>asfollows:

struct passwd {

char*pw_name; /*user name */

char*pw_passwd; /*user password */

uid_t pw_uid; /*user id */

gid_t pw_gid; /*group id */

char*pw_gecos; /*real name */

char*pw_dir; /*home directory */

char*pw_shell; /*shell program */

};

#include <pwd.h>

#include <sys/types.h>

#include <stdio.h>

intmain()

{

uid_t my_uid;

//my_uid =500;

structpasswd *my_info;

my_info =getpwuid( getuid() );

//my_info = getpwnam( "fflg" );

printf( "my name = [%s]\n", my_info->pw_name );

printf( "my passwd = [%s]\n", my_info->pw_passwd );

printf( "my uid = [%d]\n", my_info->pw_uid );

printf( "my gid = [%d]\n", my_info->pw_gid );

printf( "my gecos = [%s]\n", my_info->pw_gecos );

printf( "my dir = [%s]\n", my_info->pw_dir );

printf( "my shell = [%s]\n", my_info->pw_shell );

return0;

}