GETPW(3) Linux Programmer's Manual GETPW(3)NAMEgetpw - Re-construct password line entry
SYNOPSIS
#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 buf‐
fer buf. It is obsoleted by getpwuid().
SEE ALSOendpwent(3), fgetpwent(3), getpwent(3), getpwnam(3), getpwuid(3), putp‐
went(3), setpwent(3), passwd(5)GNU 1996-05-27 GETPW(3)