isgraph 225 ext/ctype/ctype.c CTYPE(isgraph); isgraph 354 ext/mbstring/oniguruma/enc/mktable.c return isgraph(c); isgraph 123 ext/pcre/pcrelib/pcre_maketables.c if (isgraph(i)) p[cbit_graph + i/8] |= 1 << (i&7);