PROLOGThis manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAMEgrp.h --- group structure
DESCRIPTIONThe <grp.h> header shall declare the group structure, which shall include the following members:
char *gr_name The name of the group. gid_t gr_gid Numerical group ID. char **gr_mem Pointer to a null-terminated array of character pointers to member names.
void endgrent(void); struct group *getgrent(void); struct group *getgrgid(gid_t); int getgrgid_r(gid_t, struct group *, char *, size_t, struct group **); struct group *getgrnam(const char *); int getgrnam_r(const char *, struct group *, char *, size_t , struct group **); void setgrent(void);
The following sections are informative.
SEE ALSO<sys_types.h> The System Interfaces volume of POSIX.1-2008, endgrent(), getgrgid(), getgrnam()
COPYRIGHTPortions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at www.unix.org/online.html .
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