4.4BSD/usr/share/man/cat3/getpass.0

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GETPASS(3)                  BSD Programmer's Manual                 GETPASS(3)

NNAAMMEE
     ggeettppaassss - get a password

SSYYNNOOPPSSIISS
     ##iinncclluuddee <<ppwwdd..hh>>
     ##iinncclluuddee <<uunniissttdd..hh>>

     _c_h_a_r _*
     ggeettppaassss(_c_o_n_s_t _c_h_a_r _*_p_r_o_m_p_t);

DDEESSCCRRIIPPTTIIOONN
     The ggeettppaassss() function displays a prompt to, and reads in a password
     from, _/_d_e_v_/_t_t_y. If this file is not accessible, ggeettppaassss displays the
     prompt on the standard error output and reads from the standard input.

     The password may be up to _PASSWORD_LEN (currently 128) characters in
     length.  Any additional characters and the terminating newline character
     are discarded.

     GGeettppaassss turns off character echoing while reading the password.

RREETTUURRNN VVAALLUUEESS
     GGeettppaassss returns a pointer to the null terminated password.

FFIILLEESS
     /dev/tty

SSEEEE AALLSSOO
     crypt(3)

HHIISSTTOORRYY
     A ggeettppaassss function appeared in Version 7 AT&T UNIX.

BBUUGGSS
     The ggeettppaassss function leaves its result in an internal static object and
     returns a pointer to that object.  Subsequent calls to ggeettppaassss will modi-
     fy the same object.

     The calling process should zero the password as soon as possible to avoid
     leaving the cleartext password visible in the process's address space.

4.4BSD                           June 4, 1993                                1