Function shaderc_sys::shaderc_compile_options_add_macro_definition

pub unsafe extern "C" fn shaderc_compile_options_add_macro_definition(
    options: *mut ShadercCompileOptions, 
    name: *const c_char, 
    name_length: size_t, 
    value: *const c_char, 
    vaule_length: size_t
)