Function blas_sys::fortran::dtrmv_

pub unsafe extern fn dtrmv_(uplo: *const c_char,
                            transa: *const c_char,
                            diag: *const c_char,
                            n: *const c_int,
                            a: *const c_double,
                            lda: *const c_int,
                            b: *mut c_double,
                            incx: *const c_int)