getusershell     1531 lib/unistd.in.h _GL_FUNCDECL_SYS (getusershell, char *, (void));
getusershell     1533 lib/unistd.in.h _GL_CXXALIAS_SYS (getusershell, char *, (void));
getusershell     1534 lib/unistd.in.h _GL_CXXALIASWARN (getusershell);
getusershell     1538 lib/unistd.in.h _GL_WARN_ON_USE (getusershell, "getusershell is unportable - "