isdigitrune      1312 src/cmd/gc/lex.c 			if(!isalpharune(rune) && !isdigitrune(rune) && (importpkg == nil || rune != 0xb7))
isdigitrune       621 src/lib9/utf/mkrunetype.c 		if(isdigitrune(i) != myisdigit[i])
isdigitrune       623 src/lib9/utf/mkrunetype.c 				i, isdigitrune(i), myisdigit[i]);
isdigitrune       222 src/lib9/utf/utf.h int isdigitrune(Rune r);