'Raspberry Pi Zero -- C++ can't find Wire.h

I'm an absolute beginner with Raspberry Pi. I'm running Debian and trying to code in C++ so that I can read an I2C sensor (Grove TSYS01 temperature) connected to the GPIO pins. My code gets as far as...

#include <wire.h>

...then gives a "No such file or directory" error. Does anyone know how to specify the location of wire.h on a Raspberry Pi?

Thanks!



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