c_isupper         138 gnulib-tests/test-c-ctype.c           ASSERT (c_isupper (c) == 1);
c_isupper         141 gnulib-tests/test-c-ctype.c           ASSERT (c_isupper (c) == 0);
c_isupper         135 lib/c-ctype.h  extern bool c_isupper (int c);