Macro solana_sdk::declare_builtin

macro_rules! declare_builtin {
    ($bs58_string:expr, $name:ident, $entrypoint:expr) => { ... };
    ($bs58_string:expr, $name:ident, $entrypoint:expr, $id:path) => { ... };
}

Convenience macro to declare a built-in program.

bs58_string: bs58 string representation the program’s id name: Name of the program entrypoint: Program’s entrypoint, must be of type Entrypoint id: Path to the program id access function, used if this macro is not called in src/lib