As reported by cppcheck:
src/defi.c:41:7: style: Variable 're' is assigned a value that is never used. [unreadVariable]
re = sscanf(buf, "%ld %ld", &one, &two);
^
As reported by cppcheck:
src/defi.c:18:2: warning: Assignment of function parameter has no
effect outside the function. Did you forget dereferencing it?
[uselessAssignmentPtrArg]
defi = NULL;
^