c_islower         108 gnulib-tests/test-c-ctype.c           ASSERT (c_islower (c) == 1);
c_islower         111 gnulib-tests/test-c-ctype.c           ASSERT (c_islower (c) == 0);
c_islower         130 lib/c-ctype.h  extern bool c_islower (int c);