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OPENPAM_READLINE(3)        Library Functions Manual        OPENPAM_READLINE(3)

     openpam_readline -- read a line from a file

     Pluggable Authentication Module Library (libpam, -lpam)

     #include <sys/types.h>
     #include <stdio.h>
     #include <security/pam_appl.h>
     #include <security/openpam.h>

     char *
     openpam_readline(FILE *f, int *lineno, size_t *lenp);

     This function is deprecated and may be removed in a future release
     without further warning.  The openpam_readlinev() function may be used to
     achieve similar results.

     The openpam_readline() function reads a line from a file, and returns it
     in a NUL-terminated buffer allocated with malloc(3).

     The openpam_readline() function performs a certain amount of processing
     on the data it reads:

     o   Comments (introduced by a hash sign) are stripped.

     o   Blank lines are ignored.

     o   If a line ends in a backslash, the backslash is stripped and the next
         line is appended.

     If lineno is not NULL, the integer variable it points to is incremented
     every time a newline character is read.

     If lenp is not NULL, the length of the line (not including the
     terminating NUL character) is stored in the variable it points to.

     The caller is responsible for releasing the returned buffer by passing it
     to free(3).

     The openpam_readline() function returns NULL on failure.

     openpam_readlinev(3), openpam_readword(3), pam(3)

     The openpam_readline() function is an OpenPAM extension.

     The openpam_readline() function and this manual page were developed for
     the FreeBSD Project by ThinkSec AS and Network Associates Laboratories,
     the Security Research Division of Network Associates, Inc. under
     DARPA/SPAWAR contract N66001-01-C-8035 (``CBOSS''), as part of the DARPA
     CHATS research program.

     The OpenPAM library is maintained by Dag-Erling Smorgrav <des@des.no>.

NetBSD 7.1.2                  September 12, 2014                  NetBSD 7.1.2