searching for esp_now_send() definition

[Sunbelt57]

I'm going through the espnow_example_main.c in the esp-idf/examples/wifi/espnow/main directory and it works fine - I have a couple esp32c3 chips, but I can't seem to find where esp_now_send() is defined in a c file. I found the prototype in components/esp_wifi/include/esp_now.h but no implementation of it. I searched the entire components subdirectory of the installed esp-idf package. Just curious what it does.

[Sunbelt57]

In fact I can't find any of the functions defined in that header file. I guess they are just part of the library (in the *.a files). I can see what they do by the description in the header file so I should just be happy with that.