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GETUSERSHELL(3) Library Functions Manual GETUSERSHELL(3) NAME getusershell, setusershell, endusershell -- get valid user shells LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <unistd.h> char * getusershell(void); void setusershell(void); void endusershell(void); DESCRIPTION The getusershell() 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. FILES /etc/shells DIAGNOSTICS The routine getusershell() returns a null pointer (0) on EOF. SEE ALSO nsswitch.conf(5), shells(5) HISTORY The getusershell() function appeared in 4.3BSD. BUGS The getusershell() 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. NetBSD 7.1.2 November 23, 2004 NetBSD 7.1.2