GETPW

GETPW

NAME SYNOPSIS DESCRIPTION RETURN VALUE ERRORS FILES CONFORMING TO BUGS SEE ALSO

NAME

getpw - Re-construct password line entry

SYNOPSIS

#include uid, char *buf);

DESCRIPTION

The getpw() function re-constructs the password line entry for the given user uid 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 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

SYSVr2.

BUGS

The getpw() function is dangerous as it may overflow the provided buffer buf. It is obsoleted by getpwuid().

SEE ALSO

fgetpwent(3), getpwent(3), setpwent(3), endpwent(3), getpwnam(3), getpwuid(3), putpwent(3), passwd(5)