Function eccodes_sys::grib_set_long

pub unsafe extern "C" fn grib_set_long(
    h: *mut grib_handle, 
    key: *const c_char, 
    val: c_long
) -> c_int

Set a long value from a key. If several keys of the same name are present, the last one is set @see grib_get_long

@param h : the handle to set the data to @param key : the key to be searched @param val : a long where the data will be read @return 0 if OK, integer value on error