putpwent (3)
Leading comments
Copyright 1993 David Metcalfe (david@prism.demon.co.uk) %%%LICENSE_START(VERBATIM) Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Sin...
NAME
putpwent - write a password file entrySYNOPSIS
#include <stdio.h> #include <sys/types.h> #include <pwd.h> int putpwent(const struct passwd *p, FILE *stream);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
putpwent(): _SVID_SOURCE
DESCRIPTION
The putpwent() function writes a password entry from the structure p in the file associated with stream.The passwd structure is defined in <pwd.h> as follows:
struct passwd { char *pw_name; /* username */ char *pw_passwd; /* user password */ uid_t pw_uid; /* user ID */ gid_t pw_gid; /* group ID */ char *pw_gecos; /* real name */ char *pw_dir; /* home directory */ char *pw_shell; /* shell program */ };
RETURN VALUE
The putpwent() function returns 0 on success, or -1 if an error occurs. In the event of an error, errno is set to indicate the cause.ERRORS
- EINVAL
- Invalid (NULL) argument given.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).Interface | Attribute | Value |
putpwent() | Thread safety | MT-Safe locale |