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getusershell.0
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GETUSERSHELL(3) UNIX Programmer's Manual GETUSERSHELL(3)
NNAAMMEE
ggeettuusseerrsshheellll, sseettuusseerrsshheellll, eenndduusseerrsshheellll - get legal user shells
SSYYNNOOPPSSIISS
_c_h_a_r _*
ggeettuusseerrsshheellll(_v_o_i_d)
_v_o_i_d
sseettuusseerrsshheellll(_v_o_i_d)
_v_o_i_d
eenndduusseerrsshheellll(_v_o_i_d)
DDEESSCCRRIIPPTTIIOONN
The ggeettuusseerrsshheellll() function returns a pointer to a legal user shell as
defined by the system manager in the file _/_e_t_c_/_s_h_e_l_l_s. If _/_e_t_c_/_s_h_e_l_l_s is
unreadable or does not exist, ggeettuusseerrsshheellll() behaves as if _/_b_i_n_/_s_h and
_/_b_i_n_/_c_s_h were listed in the file.
The ggeettuusseerrsshheellll() function reads the next line (opening the file if nec-
essary); sseettuusseerrsshheellll() rewinds the file; eenndduusseerrsshheellll() closes it.
FFIILLEESS
/etc/shells
DDIIAAGGNNOOSSTTIICCSS
The routine ggeettuusseerrsshheellll() returns a null pointer (0) on EOF.
SSEEEE AALLSSOO
shells(5)
HHIISSTTOORRYY
The ggeettuusseerrsshheellll() function appeared in 4.3BSD.
BBUUGGSS
The ggeettuusseerrsshheellll() function leaves its result in an internal static ob-
ject and returns a pointer to that object. Subsequent calls to
ggeettuusseerrsshheellll() will modify the same object.
4.3 Berkeley Distribution June 4, 1993 1