example_isspace.cpp

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#include <Arduino.h>
#include <ArduinoLog.h>
#include <ctype.h>
 
#include <clocale>
 
void setup() {
  Serial.begin(115200);
 
  Log.begin(LOG_LEVEL_VERBOSE, &Serial);
 
  std::setlocale(LC_ALL, "en_US.UTF-8");
  Log.traceln("Current locale: %s", std::setlocale(LC_ALL, NULL));
 
  for (unsigned char i = 0; i < 127; i++) {
    Log.traceln("isspace(%C) = %T", i, static_cast<bool>(isspace(i)));
  }
}
 
void loop() {}