prepare (1/3): 
cp: cannot stat '/in/lab5_dlist.c': No such file or directory
finished

make (2/3): 
clang -std=gnu11 -O2 -Wall -Wextra -Werror -pedantic -Wno-unused-result -Wconversion -Wvla -o l5 *.c
clang -std=gnu11 -O2 -Wall -Wextra -Werror -pedantic -Wno-unused-result -Wconversion -Wvla -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fsanitize=integer -o l5_memory_check *.c
/tmp/main-1a578c.o: In function `run':
main.c:(.text+0xf2): undefined reference to `createDlist'
main.c:(.text+0xfe): undefined reference to `createDlist'
main.c:(.text+0x182): undefined reference to `dlistAppend'
main.c:(.text+0x1d1): undefined reference to `dlistAppend'
main.c:(.text+0x208): undefined reference to `dlistSort'
main.c:(.text+0x215): undefined reference to `dlistSort'
main.c:(.text+0x21d): undefined reference to `dlistPrint'
main.c:(.text+0x225): undefined reference to `dlistFree'
main.c:(.text+0x22d): undefined reference to `dlistFree'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:13: recipe for target 'l5' failed
make: *** [l5] Error 1
make: *** Waiting for unfinished jobs....
/tmp/main-707f6f.o: In function `run':
main.c:(.text+0x21f): undefined reference to `createDlist'
main.c:(.text+0x22b): undefined reference to `createDlist'
main.c:(.text+0x31f): undefined reference to `dlistAppend'
main.c:(.text+0x3a3): undefined reference to `dlistAppend'
main.c:(.text+0x3ed): undefined reference to `dlistSort'
main.c:(.text+0x3fb): undefined reference to `dlistSort'
main.c:(.text+0x403): undefined reference to `dlistPrint'
main.c:(.text+0x40b): undefined reference to `dlistFree'
main.c:(.text+0x413): undefined reference to `dlistFree'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:16: recipe for target 'l5_memory_check' failed
make: *** [l5_memory_check] Error 1

build failed