ttyname_r          32 maint/gnulib/lib/ttyname_r.c ttyname_r (int fd, char *buf, size_t buflen)
ttyname_r        2144 maint/gnulib/lib/unistd.in.h #   undef ttyname_r
ttyname_r        2145 maint/gnulib/lib/unistd.in.h #   define ttyname_r rpl_ttyname_r
ttyname_r        2161 maint/gnulib/lib/unistd.in.h # undef ttyname_r