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OpenSolaris 2009.06 - man page for putpwent (opensolaris section 3c)

putpwent(3C)						   Standard C Library Functions 					      putpwent(3C)

NAME
putpwent - write password file entry
SYNOPSIS
#include <pwd.h> int putpwent(const struct passwd *p, FILE *f);
DESCRIPTION
The putpwent() function is the inverse of getpwent(). See getpwnam(3C). Given a pointer to a passwd structure created by getpwent(), getp- wuid(), or getpwnam(), putpwent() writes a line on the stream f that matches the format of /etc/passwd.
RETURN VALUES
The putpwent() function returns a non-zero value if an error was detected during its operation. Otherwise, it returns 0.
USAGE
The putpwent() function is of limited utility, since most password files are maintained as Network Information Service (NIS) files that cannot be updated with this function. For this reason, the use of this function is discouraged. If used at all, it should be used with put- spent(3C) to update the shadow file.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+
SEE ALSO
getpwnam(3C), putspent(3C), attributes(5) SunOS 5.11 29 Dec 1996 putpwent(3C)

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