build/libraries/libsodium/src/libsodium/crypto_stream/salsa20/stream_salsa20.h
#ifndef stream_salsa20_H
#define stream_salsa20_H
#include <stdint.h>
typedef struct crypto_stream_salsa20_implementation {
int (*stream)(unsigned char *c, unsigned long long clen,
const unsigned char *n, const unsigned char *k);
int (*stream_xor_ic)(unsigned char *c, const unsigned char *m,
unsigned long long mlen,
const unsigned char *n, uint64_t ic,
const unsigned char *k);
} crypto_stream_salsa20_implementation;
#endif