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getpw
Langue: en
Version: 2007-07-26 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
NAME
getpw - Re-construct password line entrySYNOPSIS
#define _GNU_SOURCE #include <sys/types.h> #include <pwd.h> int getpw(uid_t uid, char *buf);
DESCRIPTION
The getpw() function re-constructs the password line entry for the given user ID uid in the buffer buf. The returned buffer contains a line of format- name:passwd:uid:gid:gecos:dir:shell
The passwd structure is defined in <pwd.h> as follows:
-
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 */ };
RETURN VALUE
The getpw() function returns 0 on success, or -1 if an error occurs.ERRORS
- ENOMEM
- Insufficient memory to allocate passwd structure.
FILES
- /etc/passwd
- password database file
CONFORMING TO
SVr2.BUGS
The getpw() function is dangerous as it may overflow the provided buffer buf. It is obsoleted by getpwuid(3).SEE ALSO
endpwent(3), fgetpwent(3), getpwent(3), getpwnam(3), getpwuid(3), putpwent(3), setpwent(3), passwd(5)Contenus ©2006-2024 Benjamin Poulain
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