#include <pwd.h> #include <sys/types.h>
int getpw(uid_t uid, char *buf);
#include <pwd.h>
#include <sys/types.h>
main()
{
char buffer[80];
getpw(0, buffer);
printf("%s\n", buffer);
}
root:x:0:0:root:/root:/bin/bash
#include <pwd.h> #include <sys/types.h>
struct passwd * getpwnam(const char * name);
/*取得root 账号的识别码和根目录 */
#include <pwd.h>
#include <sys/types.h>
main()
{
struct passwd *user;
user = getpwnam("root");
printf("name:%s\n", user->pw_name);
printf("uid:%d\n", user->pw_uid);
printf("home:%s\n", user->pw_dir);
}
name:root uid:0 home:/root
#include <pwd.h> #include <sys/types.h>
struct passwd * getpwuid(uid_t uid);
#include <pwd.h>
#include <sys/types.h>
main()
{
struct passwd *user;
user= getpwuid(6);
printf("name:%s\n", user->pw_name);
printf("uid:%d\n", user->pw_uid);
printf("home:%s\n", user->pw_dir);
}
name:shutdown uid:6 home:/sbin
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