~ashn/cdoc

Creating a C Documentation Generator - Part 5
Replace a realloc call with xalloc
Fix mispelling of "Encountered"
Creating a C Documentation Generator - Part 4 (errorf)
Creating a C Documentation Generator - Part 4 (xalloc)
Creating a C Documentation Generator - Part 3
Creating a C Documentation Generator - Part 2
Update .clang-format

The previous .clang-format was causing a while-block I was messing
around with for part 2 of the "Creating a C Documentation Generator"
series to be formatted in an odd way with clang-format-6.0.
This commit prevents that odd formatting from occurring.
Creating a C Documentation Generator - Part 1