islower 743 gtags-parser/C.c if (islower(*p))
islower 777 gtags-parser/Cpp.c if (islower(*p))
islower 157 htags/defineindex.c if (islower(c)) {
islower 211 libglibc/regex.c #define ISLOWER(c) (ISASCII (c) && islower (c))