197 lines
5.3 KiB
HTML
197 lines
5.3 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of FGETPWENT</TITLE>
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</HEAD><BODY>
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<H1>FGETPWENT</H1>
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Section: Linux Programmer's Manual (3)<BR>Updated: 2018-02-02<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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fgetpwent - get password file entry
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<PRE>
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<B>#include <<A HREF="file:///usr/include/stdio.h">stdio.h</A>></B>
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<B>#include <<A HREF="file:///usr/include/sys/types.h">sys/types.h</A>></B>
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<B>#include <<A HREF="file:///usr/include/pwd.h">pwd.h</A>></B>
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<B>struct passwd *fgetpwent(FILE *</B><I>stream</I><B>);</B>
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</PRE>
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<P>
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Feature Test Macro Requirements for glibc (see
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<B><A HREF="/cgi-bin/man/man2html?7+feature_test_macros">feature_test_macros</A></B>(7)):
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<P>
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<B>fgetpwent</B>():
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<BR> Since glibc 2.19:
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<BR> _DEFAULT_SOURCE
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<BR> Glibc 2.19 and earlier:
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<BR> _SVID_SOURCE
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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The
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<B>fgetpwent</B>()
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function returns a pointer to a structure containing
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the broken out fields of a line in the file <I>stream</I>.
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The first time it is called it returns the first entry;
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thereafter, it returns successive entries.
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The file referred to by
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<I>stream</I>
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must have the same format as
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<I>/etc/passwd</I>
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(see
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<B><A HREF="/cgi-bin/man/man2html?5+passwd">passwd</A></B>(5)).
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<P>
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The <I>passwd</I> structure is defined in <I><<A HREF="file:///usr/include/pwd.h">pwd.h</A>></I> as follows:
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<P>
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struct passwd {
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<BR> char *pw_name; /* username */
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<BR> char *pw_passwd; /* user password */
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<BR> uid_t pw_uid; /* user ID */
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<BR> gid_t pw_gid; /* group ID */
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<BR> char *pw_gecos; /* real name */
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<BR> char *pw_dir; /* home directory */
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<BR> char *pw_shell; /* shell program */
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};
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<A NAME="lbAE"> </A>
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<H2>RETURN VALUE</H2>
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The
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<B>fgetpwent</B>()
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function returns a pointer to a
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<I>passwd</I>
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structure, or NULL if
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there are no more entries or an error occurs.
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In the event of an error,
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<I>errno</I>
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is set to indicate the cause.
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<A NAME="lbAF"> </A>
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<H2>ERRORS</H2>
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<DL COMPACT>
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<DT id="1"><B>ENOMEM</B>
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<DD>
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Insufficient memory to allocate
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<I>passwd</I>
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structure.
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</DL>
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<A NAME="lbAG"> </A>
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<H2>FILES</H2>
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<DL COMPACT>
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<DT id="2"><I>/etc/passwd</I>
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<DD>
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password database file
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</DL>
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<A NAME="lbAH"> </A>
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<H2>ATTRIBUTES</H2>
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For an explanation of the terms used in this section, see
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<B><A HREF="/cgi-bin/man/man2html?7+attributes">attributes</A></B>(7).
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<TABLE BORDER>
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<TR VALIGN=top><TD><B>Interface</B></TD><TD><B>Attribute</B></TD><TD><B>Value</B><BR></TD></TR>
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<TR VALIGN=top><TD>
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<B>fgetpwent</B>()
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</TD><TD>Thread safety</TD><TD>MT-Unsafe race:fgetpwent<BR></TD></TR>
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</TABLE>
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<A NAME="lbAI"> </A>
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<H2>CONFORMING TO</H2>
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SVr4.
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<A NAME="lbAJ"> </A>
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<H2>SEE ALSO</H2>
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<B><A HREF="/cgi-bin/man/man2html?3+endpwent">endpwent</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+fgetpwent_r">fgetpwent_r</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+fopen">fopen</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+getpw">getpw</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+getpwent">getpwent</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+getpwnam">getpwnam</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+getpwuid">getpwuid</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+putpwent">putpwent</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+setpwent">setpwent</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?5+passwd">passwd</A></B>(5)
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<A NAME="lbAK"> </A>
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<H2>COLOPHON</H2>
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This page is part of release 5.05 of the Linux
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<I>man-pages</I>
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project.
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A description of the project,
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information about reporting bugs,
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and the latest version of this page,
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can be found at
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<A HREF="https://www.kernel.org/doc/man-pages/.">https://www.kernel.org/doc/man-pages/.</A>
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="3"><A HREF="#lbAB">NAME</A><DD>
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<DT id="4"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="5"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="6"><A HREF="#lbAE">RETURN VALUE</A><DD>
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<DT id="7"><A HREF="#lbAF">ERRORS</A><DD>
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<DT id="8"><A HREF="#lbAG">FILES</A><DD>
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<DT id="9"><A HREF="#lbAH">ATTRIBUTES</A><DD>
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<DT id="10"><A HREF="#lbAI">CONFORMING TO</A><DD>
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<DT id="11"><A HREF="#lbAJ">SEE ALSO</A><DD>
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<DT id="12"><A HREF="#lbAK">COLOPHON</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:42 GMT, March 31, 2021
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</BODY>
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