SR_PRIV int sr_atod(const char *str, double *ret);
SR_PRIV int sr_atof(const char *str, float *ret);
SR_PRIV int sr_atod_ascii(const char *str, double *ret);
+SR_PRIV int sr_atod_ascii_digits(const char *str, double *ret, int *digits);
SR_PRIV int sr_atof_ascii(const char *str, float *ret);
SR_PRIV GString *sr_hexdump_new(const uint8_t *data, const size_t len);