libssh2_init - global library initialization
#include <libssh2.h>
#define LIBSSH2_INIT_NO_CRYPTO 0x0001
int libssh2_init(int flags);
Initialize the libssh2 functions. This typically initialize the crypto
library. It uses a global state, and is not thread safe -- you must
make sure this function is not called concurrently.
Returns 0 if succeeded, or a negative value for error.
Added in libssh2 1.2.5
libssh2_exit(3)