Fixed-length array declarations are just like C array declarations.
fixed-array-declaration:
      type-ident variable-ident [value] 
Example:
colortype palette[8]; --> colortype palette[8];
Many programmers confuse variable declarations with type declarations. Note that rpcgen does not support variable declarations. The following example is a program that does not compile.
int data[10];
program P {
   version V {
      int PROC(data) = 1;
 	} = 1;
} = 0x200000;
The previous example does not compile because of the variable declaration:
int data[10]
Instead use:
typedef int data[10];
or
struct data {int dummy [10]};