linux 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(): _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.

ERRORS
       EINVAL Invalid (NULL) argument given.

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 3.27 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU
								    2007-07-26							       PUTPWENT(3)