ref: 5f5c0ab73ba310f45b725a44c0d9d38dd29f98d9 dir: /lib/c/isgraph.c/
#define __USE_MACROS #include <ctype.h> #undef isgraph int isgraph(int c) { return (__ctype+1)[c] & (_P|_U|_L|_D); }