The C questions were only shown to the developers who chose C as one of their three primary programming languages.

Which C standard do you regularly use?

52%
C99
36%
C11
23%
Embedded C
2%
Other

Which IDE / editor do you use the most?

22%20%15%11% 6% 6% 6% 4%
All results

Dependency managers are not very popular in the C community: only 18% use special software to manage dependencies.

Which unit-testing frameworks do you regularly use?

Which project models or build systems do you regularly use?

50%31%20% 9% 9% 9% 2% 2% 2% 1% 2%13%

The usage of Makefiles has grown from 38% to 50% since last year.

What dependency managers do you use in your projects?

22% 6% 6% 4% 3% 1% 1%60%

Which compilers do you regularly use?

74%35%18%11%10% 6% 2%

Clang has gained 12 percentage points since last year, while the popularity of other compilers remains much the same.