/bin/[[:alpha:][:alnum:]]* /bin/ls FNM_PATHNAME 0
/bin/[[:alpha:][:alnum:]]* /bin/LS FNM_CASEFOLD 0
/bin/[[:opper:][:alnum:]]* /bin/ls NONE 1
[[:alpha:][:alnum:]]*.c foo1.c FNM_PERIOD 0
[[:upper:]]* FOO NONE 0