Function sceHttpAddExtraHeader 

pub unsafe extern "C" fn sceHttpAddExtraHeader(
    id: c_int,
    name: *mut c_char,
    value: *mut c_char,
    unknown1: c_int,
) -> c_int

Add content header

@param id - ID of the template, connection or request @param name - Name of the content @param value - Value of the content @param unknown1 - Pass 0 @return 0 on success, < 0 on error.