SR_ERR_ARG = -3, /**< Function argument error. */
SR_ERR_BUG = -4, /**< Errors hinting at internal bugs. */
SR_ERR_SAMPLERATE = -5, /**< Incorrect samplerate. */
+ SR_ERR_NA = -6, /**< Not applicable. */
};
#define SR_MAX_NUM_PROBES 64 /* Limited by uint64_t. */