c_isalnum          52 gnulib-tests/test-c-ctype.c           ASSERT (c_isalnum (c) == 1);
c_isalnum          55 gnulib-tests/test-c-ctype.c           ASSERT (c_isalnum (c) == 0);
c_isalnum         119 gnulib-tests/test-c-ctype.c       ASSERT (c_ispunct (c) == (c_isgraph (c) && !c_isalnum (c)));
c_isalnum         125 lib/c-ctype.h  extern bool c_isalnum (int c);
c_isalnum         238 lib/c-ctype.h       (c_isgraph (_c) && ! c_isalnum (_c)); \