/usr/bin/fcasplit
/usr/bin/nycheck
/usr/bin/nydiff
/usr/bin/nyindex
/usr/bin/nylist
/usr/bin/nymerge
/usr/bin/nypatchy
/usr/bin/nyshell
/usr/bin/nysynopt
/usr/bin/nytidy
/usr/bin/ycompar
/usr/bin/yedit
/usr/bin/yexpand
/usr/bin/yfrceta
/usr/bin/yindexb
/usr/bin/yindex
/usr/bin/ylistb
/usr/bin/ylist
/usr/bin/ypatchy
/usr/bin/ysearch
/usr/bin/yshift
/usr/bin/ytobcd
/usr/bin/ytobin
/usr/bin/ytoceta
You may install this package on CentOS with
yum
install patchy