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grp.h

man page of grp.h

grp.h: group structure

NAME
grp.h - group structure

SYNOPSIS

#include <grp.h>

DESCRIPTION

The <grp.h> header shall declare the structure group 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. The gid_t type shall be defined as described in <sys/types.h> . The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided. struct group *getgrgid(gid_t); struct group *getgrnam(const char *); int getgrgid_r(gid_t, struct group *, char *, size_t, struct group **); int getgrnam_r(const char *, struct group *, char *, size_t , struct group **); struct group *getgrent(void); void endgrent(void); void setgrent(void); The following sections are informative.

APPLICATION USAGE

None.

RATIONALE

None.
FUTURE DIRECTIONS
None.
SEE ALSO
<sys/types.h> , the System Interfaces volume of IEEE Std 1003.1-2001, endgrent(), getgrgid(), getgrnam()

COPYRIGHT

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. 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.opengroup.org/unix/online.html . GRP.H(7)
 
 
 

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