read.cgi改良スレッド

USE_MMAP コメントアウチおしました。

こんどは、

gcc -c datindex.c -DHAVE_READ2CH_H -Izlib -g -O2 -Wall -funsigned-char -o datind
ex.o
datindex.c: In function `create_index':
datindex.c:372: `MAP_FAILED' undeclared (first use this function)
datindex.c:372: (Each undeclared identifier is reported only once
datindex.c:372: for each function it appears in.)
datindex.c: In function `open_dat':
datindex.c:412: `MAP_FAILED' undeclared (first use this function)
datindex.c: In function `datindex_open':
datindex.c:457: `MAP_FAILED' undeclared (first use this function)
make: *** [datindex.o] Error 1