putgrent - Online Linux Manual PageSection : 3
Updated : 2022-12-15
Source : Linux man-pages 6.03

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NAMEputgrent − write a group database entry to a file

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LIBRARYStandard C library (libc, −lc)

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SYNOPSIS#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <grp.h>int putgrent(const struct group *restrict grp, FILE *restrict stream);

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DESCRIPTIONThe putgrent() function is the counterpart for fgetgrent(3). The function writes the content of the provided struct group into the stream. The list of group members must be NULL-terminated or NULL-initialized. The struct group is defined as follows: struct group { char *gr_name; /* group name */ char *gr_passwd; /* group password */ gid_t gr_gid; /* group ID */ char **gr_mem; /* group members */ };

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RETURN VALUEThe function returns zero on success, and a nonzero value on error.

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ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7). InterfaceAttributeValue putgrent() Thread safetyMT-Safe

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STANDARDSThis function is a GNU extension.

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SEE ALSOfgetgrent(3), getgrent(3), group(5) 0

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