Quick explanation about the files here:
afl-analyze.c
- afl-analyze binary toolafl-as.c
- afl-as binary toolafl-cc.c
- afl-cc binary toolafl-common.c
- common functions, used by afl-analyze, afl-fuzz, afl-showmap and afl-tminafl-forkserver.c
- forkserver implementation, used by afl-fuzz afl-showmap, afl-tminafl-fuzz-bitmap.c
- afl-fuzz bitmap handlingafl-fuzz.c
- afl-fuzz binary tool (just main() and usage())afl-fuzz-cmplog.c
- afl-fuzz cmplog functionsafl-fuzz-extras.c
- afl-fuzz the extra function callsafl-fuzz-init.c
- afl-fuzz initializationafl-fuzz-misc.c
- afl-fuzz misc functionsafl-fuzz-mutators.c
- afl-fuzz custom mutator and python supportafl-fuzz-one.c
- afl-fuzz fuzzer_one big loop, this is where the mutation is happeningafl-fuzz-performance.c
- hash64 and rand functionsafl-fuzz-python.c
- afl-fuzz the python mutator extensionafl-fuzz-queue.c
- afl-fuzz handling the queueafl-fuzz-redqueen.c
- afl-fuzz redqueen implementationafl-fuzz-run.c
- afl-fuzz running the targetafl-fuzz-state.c
- afl-fuzz state and globalsafl-fuzz-stats.c
- afl-fuzz writing the statistics fileafl-gotcpu.c
- afl-gotcpu binary toolafl-ld-lto.c
- LTO linker helperafl-sharedmem.c
- sharedmem implementation, used by afl-fuzz, afl-showmap, afl-tminafl-showmap.c
- afl-showmap binary toolafl-tmin.c
- afl-tmin binary tool