_ctype 159 core/lib_thumb.c int isdigit(int c) { return _ctype(c,_D); } _ctype 160 core/lib_thumb.c int isspace(int c) { return _ctype(c,_S); } _ctype 161 core/lib_thumb.c int isalpha(int c) { return _ctype(c,(_U|_L)); } _ctype 162 core/lib_thumb.c int isupper(int c) { return _ctype(c,_U); } _ctype 163 core/lib_thumb.c int islower(int c) { return _ctype(c,_L); } _ctype 164 core/lib_thumb.c int ispunct(int c) { return _ctype(c,_P); } _ctype 165 core/lib_thumb.c int isxdigit(int c) { return _ctype(c,(_X|_D)); } _ctype 166 core/lib_thumb.c int iscntrl(int c) { return _ctype(c,_C); }