Function libsais_unbwt 

pub unsafe extern "C" fn libsais_unbwt(
    T: *const u8,
    U: *mut u8,
    A: *mut i32,
    n: i32,
    freq: *const i32,
    i: i32,
) -> i32

Constructs the original string from a given burrows-wheeler transformed string (BWT) with primary index.

Arguments

• T - [0..n-1] The input string.
• U - [0..n-1] The output string (can be T).
• A - [0..n] The temporary array (NOTE, temporary array must be n + 1 size).
• n - The length of the given string.
• freq - [0..255] The input symbol frequency table (can be NULL).
• i - The primary index.

Returns

0 if no error occurred, -1 or -2 otherwise.