text: #ifndef API_H
  #define API_H
  
  #include <stddef.h>
  #include <stdint.h>
  
  #define CRYPTO_SECRETKEYBYTES 92960
  #define CRYPTO_PUBLICKEYBYTES 58144
  #define CRYPTO_BYTES 64
  #define CRYPTO_ALGNAME "RAINBOW(16,32,32,32) - cyclic"
  
  int crypto_sign_keypair(uint8_t *pk, uint8_t *sk);
  
  
  int crypto_sign_signature(
      uint8_t *sig, size_t *siglen,
      const uint8_t *m, size_t mlen, const uint8_t *sk);
  
  int crypto_sign_verify(
      const uint8_t *sig, size_t siglen,
      const uint8_t *m, size_t mlen, const uint8_t *pk);
  
  int crypto_sign(uint8_t *sm, size_t *smlen,
          const uint8_t *m, size_t mlen,
          const uint8_t *sk);
  
  int crypto_sign_open(uint8_t *m, size_t *mlen,
          const uint8_t *sm, size_t smlen,
          const uint8_t *pk);
  
  
  #endif
  