putpwent(3)

1putpwent(3)                Library Functions Manual                putpwent(3)
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NAME

6       putpwent - write a password file entry
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LIBRARY

9       Standard C library (libc, -lc)
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SYNOPSIS

12       #include <stdio.h>
13       #include <sys/types.h>
14       #include <pwd.h>
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16       int putpwent(const struct passwd *restrict p, FILE *restrict stream);
17
18   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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20       putpwent():
21           Since glibc 2.19:
22               _DEFAULT_SOURCE
23           glibc 2.19 and earlier:
24               _SVID_SOURCE
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DESCRIPTION

27       The putpwent() function writes a password entry from the structure p in
28       the file associated with stream.
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30       The passwd structure is defined in <pwd.h> as follows:
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32           struct passwd {
33               char    *pw_name;        /* username */
34               char    *pw_passwd;      /* user password */
35               uid_t    pw_uid;         /* user ID */
36               gid_t    pw_gid;         /* group ID */
37               char    *pw_gecos;       /* real name */
38               char    *pw_dir;         /* home directory */
39               char    *pw_shell;       /* shell program */
40           };
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RETURN VALUE

43       The putpwent() function returns 0 on success.  On failure,  it  returns
44       -1, and errno is set to indicate the error.
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ERRORS

47       EINVAL Invalid (NULL) argument given.
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ATTRIBUTES

50       For  an  explanation  of  the  terms  used  in  this  section,  see at‐
51       tributes(7).
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53       ┌─────────────────────────────────────┬───────────────┬────────────────┐
54       │Interface                            │ Attribute     │ Value          │
55       ├─────────────────────────────────────┼───────────────┼────────────────┤
56       │putpwent()                           │ Thread safety │ MT-Safe locale │
57       └─────────────────────────────────────┴───────────────┴────────────────┘
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STANDARDS

60       None.
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HISTORY

63       SVr4.
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