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RedHat 9 (Linux i386) - man page for setpwent (redhat section 3)

GETPWENT(3)				      Linux Programmer's Manual 				  GETPWENT(3)

NAME
getpwent, setpwent, endpwent - get password file entry
SYNOPSIS
#include <pwd.h> #include <sys/types.h> struct passwd *getpwent(void); void setpwent(void); void endpwent(void);
DESCRIPTION
The getpwent() function returns a pointer to a structure containing the broken out fields of a line from /etc/passwd. The first time it is called it returns the first entry; thereafter, it returns successive entries. The setpwent() function rewinds the file pointer to the beginning of the /etc/passwd file. The endpwent() function closes the /etc/passwd file. 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 getpwent() function returns the passwd structure, or NULL if there are no more entries or an error occurs.
ERRORS
ENOMEM Insufficient memory to allocate passwd structure.
FILES
/etc/passwd password database file
CONFORMING TO
SVID 3, BSD 4.3
SEE ALSO
fgetpwent(3), getpwnam(3), getpwuid(3), getpw(3), putpwent(3), passwd(5)
GNU
1996-05-27 GETPWENT(3)


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