| .\" Copyright 2003 Walter Harms (walter.harms@informatik.uni-oldenburg.de) |
| .\" |
| .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE) |
| .\" Distributed under GPL |
| .\" %%%LICENSE_END |
| .\" |
| .TH PUTGRENT 3 2017-09-15 "GNU" "Linux Programmer's Manual" |
| .SH NAME |
| putgrent \- write a group database entry to a file |
| .SH SYNOPSIS |
| .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" |
| .br |
| .B #include <grp.h> |
| .PP |
| .BI "int putgrent(const struct group *" grp ", FILE *" stream ); |
| .SH DESCRIPTION |
| The |
| .BR putgrent () |
| function is the counterpart for |
| .BR fgetgrent (3). |
| The function writes the content of the provided |
| .IR "struct group" |
| into the |
| .IR stream . |
| The list of group members must be NULL-terminated or NULL-initialized. |
| .PP |
| The |
| .IR "struct group" |
| is defined as follows: |
| .PP |
| .in +4n |
| .EX |
| struct group { |
| char *gr_name; /* group name */ |
| char *gr_passwd; /* group password */ |
| gid_t gr_gid; /* group ID */ |
| char **gr_mem; /* group members */ |
| }; |
| .EE |
| .in |
| .SH RETURN VALUE |
| The function returns zero on success, and a nonzero value on error. |
| .SH ATTRIBUTES |
| For an explanation of the terms used in this section, see |
| .BR attributes (7). |
| .TS |
| allbox; |
| lb lb lb |
| l l l. |
| Interface Attribute Value |
| T{ |
| .BR putgrent () |
| T} Thread safety MT-Safe |
| .TE |
| .sp 1 |
| .SH CONFORMING TO |
| This function is a GNU extension. |
| .SH SEE ALSO |
| .BR fgetgrent (3), |
| .BR getgrent (3), |
| .BR group (5) |
