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GETPASS (3) | C library functions | Unix Manual Pages | :man

NAME

getpass - get a password

CONTENTS

Library
Synopsis
Description
Return Values
Files
See Also
History
Bugs

LIBRARY


.Lb libc

SYNOPSIS


.In pwd.h
.In unistd.h char * getpass "const char *prompt"

DESCRIPTION

The getpass function displays a prompt to, and reads in a password from, /dev/tty. If this file is not accessible, getpass 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.

The getpass function turns off character echoing while reading the password.

RETURN VALUES

The getpass function returns a pointer to the null terminated password.

FILES

/dev/tty

SEE ALSO

crypt(3), readpassphrase(3)

HISTORY

BUGS


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