putpwent (3)

NAME

putpwent - write a password file entry

SYNOPSIS

#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():
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, 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
 

CONFORMING TO

SVr4.

SEE ALSO

endpwent(3), fgetpwent(3), getpw(3), getpwent(3), getpwnam(3), getpwuid(3), setpwent(3)

Information

Source
Linux kernel
OS/version
GNU
Source updated
September 15, 2017
Page created
February 9, 2018
Page generated
December 2, 2018