isalpha           544 src/cmd/cc/lex.c 	if(isalpha(c)) {
isalpha           122 src/cmd/gc/lex.c 	return c >= 0 && c <= 0xFF && isalpha(c);
isalpha            40 src/liblink/sym.c 	return c >= 0 && c <= 0xFF && isalpha(c);