Function ion_c_sys::ion_timestamp_for_month

pub unsafe extern "C" fn ion_timestamp_for_month(
    ptime: *mut ION_TIMESTAMP, 
    year: c_int, 
    month: c_int
) -> iERR

Initialize ION_TIMESTAMP object with value specified. It will have ION_TS_MONTH precision

Higher precision fields (day, min, sec, fraction) will be set to 0. Local time zone will be cleared. ion_timestamp_has_local_offset will be false, and ion_timestamp_get_local_offset will be zero.