Function cblas::stbsv

pub unsafe fn stbsv(
    layout: Layout, 
    uplo: Part, 
    transa: Transpose, 
    diag: Diagonal, 
    n: i32, 
    k: i32, 
    a: &[f32], 
    lda: i32, 
    x: &mut [f32], 
    incx: i32
)