getpass(3)

NAME

getpass – get a password

SYNOPSIS

#include <unistd.h>

char *getpass(const char *prompt);

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

getpass():

Since glibc 2.2.2:

_XOPEN_SOURCE && !(_POSIX_C_SOURCE & nbsp; >= &nbsp; 200112L) || /* Glibc since 2.19: */ _DEFAULT_SOURCE || /* Glibc versions <= 2.19: */ _BSD_SOURCE

Before glibc 2.2.2:

none

DESCRIPTION

This function is obsolete. Do not use it. If you want to read input without terminal echoing enabled, see the description of the ECHO flag in termios(3).

The getpass() function opens /dev/tty (the controlling terminal of the process), outputs the string prompt, turns off echoing, reads one line (the "password"), restores the terminal state and closes /dev/tty again.

RETURN VALUE

The function getpass() returns a pointer to a static buffer containing (the first PASS_MAX bytes of) the password without the trailing newline, terminated by a null byte (‘