adam@dWorkstation:~/schoolShit/systems/bzrTree/mymalloc$ gcc -ggdb3 -Wall -o test test.c mymalloc.c mymallocwrapper.c memlib.c mymallocwrapper.c: In function ‘unix_error’: mymallocwrapper.c:19: warning: implicit declaration of function ‘strerror’ mymallocwrapper.c:19: warning: format ‘%s’ expects type ‘char *’, but argument 4 has type ‘int’ adam@dWorkstation:~/schoolShit/systems/bzrTree/mymalloc$ ls memlib.c mymalloc.c mymallocwrapper.c test memlib.h mymalloc.h mymallocwrapper.h test.c adam@dWorkstation:~/schoolShit/systems/bzrTree/mymalloc$