Function blas_sys::fortran::dtrsv_

pub unsafe extern fn dtrsv_(uplo: *const c_char,
                            trans: *const c_char,
                            diag: *const c_char,
                            n: *const c_int,
                            a: *const c_double,
                            lda: *const c_int,
                            x: *mut c_double,
                            incx: *const c_int)