.Nd atomically exchange data between two files
.Sh SYNOPSIS
.Fd #include <unistd.h>
+.Fd #include <sys/attr.h>
.Ft int
-.Fn exchangedata "const char * path1" "const char * path2" "unsigned long options"
+.Fn exchangedata "const char * path1" "const char * path2" "unsigned int options"
.
.Sh DESCRIPTION
The