Function EN_setpatternid 

pub unsafe extern "C" fn EN_setpatternid(
    ph: EN_Project,
    index: c_int,
    id: *const c_char,
) -> c_int

@brief Changes the ID name of a time pattern given its index. @param ph an EPANET project handle. @param index a time pattern index (starting from 1). @param id the time pattern’s new ID name. @return an error code.

The new ID name must not exceed @ref EN_SizeLimits “EN_MAXID” characters.