mirror of https://github.com/mkerrisk/man-pages
75 lines
2.1 KiB
Plaintext
75 lines
2.1 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "<grp.h>" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" <grp.h>
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.SH NAME
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grp.h \- group structure
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.SH SYNOPSIS
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.LP
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\fB#include <grp.h>\fP
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.SH DESCRIPTION
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.LP
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The \fI<grp.h>\fP header shall declare the structure \fBgroup\fP which
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shall include the following members:
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.sp
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.RS
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.nf
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\fBchar *gr_name\fP The name of the group. \fB
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gid_t gr_gid \fP Numerical group ID. \fB
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char **gr_mem \fP Pointer to a null-terminated array of character \fB
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\fP pointers to member names. \fB
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\fP
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.fi
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.RE
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.LP
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The \fBgid_t\fP type shall be defined as described in \fI<sys/types.h>\fP
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\&.
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.LP
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The following shall be declared as functions and may also be defined
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as macros. Function prototypes shall be provided.
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.sp
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.RS
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.nf
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\fBstruct group *getgrgid(gid_t);
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struct group *getgrnam(const char *);
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int getgrgid_r(gid_t, struct group *, char *,
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size_t, struct group **);
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int getgrnam_r(const char *, struct group *, char *,
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size_t , struct group **);
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struct group *getgrent(void);
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void endgrent(void);
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void setgrent(void);
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\fP
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.fi
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.RE
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.LP
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\fIThe following sections are informative.\fP
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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\fI<sys/types.h>\fP , the System Interfaces volume of IEEE\ Std\ 1003.1-2001,
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\fIendgrent\fP(), \fIgetgrgid\fP(), \fIgetgrnam\fP()
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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