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Diffstat (limited to 'man3/getpwent.3')
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diff --git a/man3/getpwent.3 b/man3/getpwent.3 deleted file mode 100644 index cd8ba99..0000000 --- a/man3/getpwent.3 +++ /dev/null @@ -1,191 +0,0 @@ -'\" t -.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" References consulted: -.\" Linux libc source code -.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) -.\" 386BSD man pages -.\" -.\" Modified Sat Jul 24 19:22:14 1993 by Rik Faith (faith@cs.unc.edu) -.\" Modified Mon May 27 21:37:47 1996 by Martin Schulze (joey@linux.de) -.\" -.TH getpwent 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -getpwent, setpwent, endpwent \- get password file entry -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <sys/types.h> -.B #include <pwd.h> -.P -.B struct passwd *getpwent(void); -.B void setpwent(void); -.B void endpwent(void); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR getpwent (), -.BR setpwent (), -.BR endpwent (): -.nf - _XOPEN_SOURCE >= 500 -.\" || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED - || /* glibc >= 2.19: */ _DEFAULT_SOURCE - || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.SH DESCRIPTION -The -.BR getpwent () -function returns a pointer to a structure containing -the broken-out fields of a record from the password database -(e.g., the local password file -.IR /etc/passwd , -NIS, and LDAP). -The first time -.BR getpwent () -is called, it returns the first entry; thereafter, it returns successive -entries. -.P -The -.BR setpwent () -function rewinds to the beginning -of the password database. -.P -The -.BR endpwent () -function is used to close the password database -after all processing has been performed. -.P -The \fIpasswd\fP structure is defined in \fI<pwd.h>\fP as follows: -.P -.in +4n -.EX -struct passwd { - char *pw_name; /* username */ - char *pw_passwd; /* user password */ - uid_t pw_uid; /* user ID */ - gid_t pw_gid; /* group ID */ - char *pw_gecos; /* user information */ - char *pw_dir; /* home directory */ - char *pw_shell; /* shell program */ -}; -.EE -.in -.P -For more information about the fields of this structure, see -.BR passwd (5). -.SH RETURN VALUE -The -.BR getpwent () -function returns a pointer to a -.I passwd -structure, or NULL if -there are no more entries or an error occurred. -If an error occurs, -.I errno -is set to indicate the error. -If one wants to check -.I errno -after the call, it should be set to zero before the call. -.P -The return value may point to a static area, and may be overwritten -by subsequent calls to -.BR getpwent (), -.BR getpwnam (3), -or -.BR getpwuid (3). -(Do not pass the returned pointer to -.BR free (3).) -.SH ERRORS -.TP -.B EINTR -A signal was caught; see -.BR signal (7). -.TP -.B EIO -I/O error. -.TP -.B EMFILE -The per-process limit on the number of open file descriptors has been reached. -.TP -.B ENFILE -The system-wide limit on the total number of open files has been reached. -.TP -.B ENOMEM -.\" not in POSIX -Insufficient memory to allocate -.I passwd -structure. -.\" to allocate the passwd structure, or to allocate buffers -.TP -.B ERANGE -Insufficient buffer space supplied. -.SH FILES -.TP -.I /etc/passwd -local password database file -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lb lb lbx -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR getpwent () -T} Thread safety T{ -.na -.nh -MT-Unsafe race:pwent -race:pwentbuf locale -T} -T{ -.na -.nh -.BR setpwent (), -.BR endpwent () -T} Thread safety T{ -.na -.nh -MT-Unsafe race:pwent locale -T} -.TE -.P -In the above table, -.I pwent -in -.I race:pwent -signifies that if any of the functions -.BR setpwent (), -.BR getpwent (), -or -.BR endpwent () -are used in parallel in different threads of a program, -then data races could occur. -.SH VERSIONS -The -.I pw_gecos -field is not specified in POSIX, but is present on most implementations. -.SH STANDARDS -POSIX.1-2008. -.SH HISTORY -POSIX.1-2001, SVr4, 4.3BSD. -.SH SEE ALSO -.BR fgetpwent (3), -.BR getpw (3), -.BR getpwent_r (3), -.BR getpwnam (3), -.BR getpwuid (3), -.BR putpwent (3), -.BR passwd (5) |