int db__recv(void *buf, size_t size)
int db__send(const void *buf, size_t size)
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void * db_calloc(int, int)
Allocate memory.
void db_protocol_error(void)
Report protocol error.
int db__send_float_array(const float *x, int n)
Send float array.
int db__send_float(float d)
Send float.
int db__recv_float(float *d)
Receive float.
int db__recv_float_array(float **x, int *n)
Receive float array.