Coming from OO (C#, Java, Scala) I value very highly the principles of both code reuse and type-safety. Type arguments in the above languages do the job and enable generic data structures which are bo
The use case is the following: Given a (fixed, not changeable) DLL implemented in C Wanted: a wrapper to this DLL implemented in python (chosen method: ctypes)
How can one portably perform pointer arithmetic with single byte precision? Keep in mind that: char is not 1 byte开发者_如何学Python on all platforms
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a
Hello there I am working on an assignment in C where I need to pass in an unknown ty开发者_如何学JAVApe of parameter into a function.
I\'m trying to understand the differences between C and C++ with regards to void pointers. the following compiles in C but not C++ (all compilations done with gcc/g++ -ansi -pedantic -Wall):
I have a small question: how do I find out what type a C++ pointer is? I often use a small function in my console programs to gather input, which looks something like this:
[DllImport(\"kernel32.dll\", SetLastError=true)] public static extern unsafe bool WriteFile(IntPtr hFile, void* lpBuffer, uint nNumberOfBytesToWrite, out uint lpNumberOfBytesWritten, IntPtr lpOverlapp
I have a function with prototype void* myFcn(void* arg) which is used as the starting point for a pthread.I need to convert the argument to an int for later use:
wh开发者_Python百科y is sizeof void pointer 2 ?The size of a void* is a platform dependent value.Typically it\'s value is 4 or 8 bytes for 32 and 64 bit platforms respectively.If you are getting 2 as