Not really. As the C language was created around 1972 and by 1973, Unix was rewritten in it. By 1975, Unix was released commercially. That’s like 3 years between design and commercial usage.

Have a go at writing something in 1975's C.

x=-5 Is not x = -5

There's no unsigned int.

It's a better comparison to the usability of Claude than you might think. It's doable, but hardly ideal.