IMPL_CTYPE_FN    2021 opal/mca/event/libevent2022/libevent/evutil.c #define IMPL_CTYPE_FN(name)						\
IMPL_CTYPE_FN    2026 opal/mca/event/libevent2022/libevent/evutil.c IMPL_CTYPE_FN(ISALPHA)