pub unsafe extern "C" fn ssyr2k_(
uplo: *const c_char,
trans: *const c_char,
n: *const blas_int,
k: *const blas_int,
alpha: *const f32,
a: *const f32,
lda: *const blas_int,
b: *const f32,
ldb: *const blas_int,
beta: *const f32,
c: *mut f32,
ldc: *const blas_int,
)