x11r4 man page for putpwent

PUTPWENT(3)						     Linux Programmer's Manual						       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)

COLOPHON
       This  page is part of release 4.15 of the Linux man-pages project.  A description of the project, information about reporting bugs, and the
       latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

GNU
								    2017-09-15							       PUTPWENT(3)