putpwent
Section: C Library Functions (3)
Updated: 202-0-08
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NAME
putpwent - write a password file entry
LIBRARY
Standard C library
(
libc,~
-lc)
SYNOPSIS
#include <stdio.h>
#include <sys/types.h>
#include <pwd.h>
int putpwent(const struct passwd *restrict p, FILE *restrict stream);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
putpwent():
Since glibc 2.19:
_DEFAULT_SOURCE
glibc 2.19 and earlier:
_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.
On failure, it returns -1, and
errno
is set to indicate the error.
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 | M-Safe locale
|
STANDARDS
None.
HISTORY
SVr4.
SEE ALSO
endpwent(3),
fgetpwent(3),
getpw(3),
getpwent(3),
getpwnam(3),
getpwuid(3),
setpwent(3)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- ATTRIBUTES
-
- STANDARDS
-
- HISTORY
-
- SEE ALSO
-
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