ref: 647f85d6fac7e0aee9881909cd5086941e3d11c7 dir: /lib/c/src/isgraph.c/
#define __USE_MACROS #include <ctype.h> #undef isgraph int isgraph(int c) { return __ctype[(unsigned char) c] & (_P|_U|_L|_D); }