How to Set Up Point-to-Point Communication Between Two LoRa-E5 Mini Modules?

Products & Technology LoRa
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66 
bool SX126x::findChip(const char* verStr) {
  uint8_t i = 0;
  bool flagFound = false;
  while((i < 10) && !flagFound) {
    // reset the module
    reset();    // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<---------

    // read the version string
    char version[16];
    this->mod->SPIreadRegisterBurst(RADIOLIB_SX126X_REG_VERSION_STRING, 16, reinterpret_cast<uint8_t*>(version));

    // check version register
    if(strncmp(verStr, version, 6) == 0) {
      RADIOLIB_DEBUG_BASIC_PRINTLN("Found SX126x: RADIOLIB_SX126X_REG_VERSION_STRING:");
      RADIOLIB_DEBUG_BASIC_HEXDUMP(reinterpret_cast<uint8_t*>(version), 16, RADIOLIB_SX126X_REG_VERSION_STRING);
      RADIOLIB_DEBUG_BASIC_PRINTLN();
      flagFound = true;
    } else {
      #if RADIOLIB_DEBUG_BASIC
        RADIOLIB_DEBUG_BASIC_PRINTLN("SX126x not found! (%d of 10 tries) RADIOLIB_SX126X_REG_VERSION_STRING:", i + 1);
        RADIOLIB_DEBUG_BASIC_HEXDUMP(reinterpret_cast<uint8_t*>(version), 16, RADIOLIB_SX126X_REG_VERSION_STRING);
        RADIOLIB_DEBUG_BASIC_PRINTLN("Expected string: %s", verStr);
      #endif
      this->mod->hal->delay(10);
      i++;
    }
  }

  return(flagFound);
}

Doesn’t this reset() function return?
Do you know where the reset() function is defined?