c_isblank          81 gnulib-tests/test-c-ctype.c           ASSERT (c_isblank (c) == 1);
c_isblank          84 gnulib-tests/test-c-ctype.c           ASSERT (c_isblank (c) == 0);
c_isblank         127 lib/c-ctype.h  extern bool c_isblank (int c);