char
*
getusershell(
void
)
void
setusershell(
void
)
void
endusershell(
void
)
)
function
returns a pointer to a valid user shell as defined by the
system manager in the shells database as described in
shells(5).
If the shells database is not available,
getusershell(
)
behaves as if
/bin/sh
and
/bin/csh
were listed.
The
getusershell()
function
reads the next
line (opening the file if necessary);
setusershell(
)
rewinds the file;
endusershell(
)
closes it.
/etc/shells
)
returns a null pointer (0) on
EOF
.
)
function appeared in
4.3BSD.
)
function leaves its result in an internal static object and returns
a pointer to that object.
Subsequent calls to
getusershell(
)
will modify the same object.