macros vs double evaluation: https://stackoverflow.com/questions/3437404/min-and-max-in-c
coverage: https://stackoverflow.com/questions/19582660/how-do-the-code-coverage-options-of-gcc-work
http://frama-c.com/
http://www.chiark.greenend.org.uk/~sgtatham/cdescent/?HN_20140803
realloc()
dynamic programming
clang-analyzer
https://talloc.samba.org/talloc/doc/html/libtalloc__tutorial.html
http://sourceforge.net/projects/sglib/
warnings checken ("make clean all")
use check for testing linked-list.c
"datastructures in c"
binary tree search
d-bus
http://www.heise.de/open/meldung/Google-veroeffentlicht-C-Bibliothek-zum-Parsen-von-HTML5-1935902.html
http://homepage.cs.uiowa.edu/~jones/opsys/threads/
objdump -dlS
rgb noise animation mit gif-export
gobject
http://troydhanson.github.io/uthash/index.html
sorting (quicksort, bubblesort, mergesort)
irgendwas mit unions
sudoku solver
clang -Wunreachable-code
http://underhanded.xcott.com/
http://ds9a.nl/gcc-simd/
buddhabrot
opencl
sse/avx, und: was macht gcc automatisch
https://en.wikipedia.org/wiki/Self-balancing_binary_search_tree
setjmp: http://en.wikibooks.org/wiki/C_Programming/Error_handling

# gcc 4.9
https://en.wikipedia.org/wiki/Cilk_Plus