We had a discussion here at work regarding why fread() and fwrite() take a size per member and count and return the number of members read/written rather than just taking a buffer and size. The only u
Where is ptrdiff_t de开发者_如何学Gofined in C?It\'s defined in stddef.h. That header defines the integral types size_t, ptrdiff_t, and wchar_t, the functional macro offsetof, and the constant macr
I\'m trying to find out how to remap memory-mapped files on a Mac (when I want to expand the available space).
I\'m trying to determine what libc_write does exactly.I\'m executing a binary on a processor simulator I designed in c++ and the program being run has jumped to the function call libc_write().Now, the
I have an app that uses eventfd and timerfd kernel syscalls. For that use you need a modern kernel and a libc that supports them, at least 2.8.
I\'ve read that qsort is just a generic sort, with no promises about implementation. I don\'t know about how libraries vary from platform to plaform, but assuming the Mac OS X and Linux implementation
Can I add a 开发者_如何学Csystemcall from a module?In some kernel versions it is possible to add or modify a systemcall by changing the sys_call_table. But because this table is not intended to be cha
When I compile C code with my cross toolchain, the linker prints pages of warni开发者_JS百科ngs saying that my executable uses hard floats but my libc uses soft floats. What\'s the difference?Hard flo
I\'m getting some strange performance results here and I\'m hoping someone on stackoverflow.com can shed some light on this!
I am making a simple application which requires colored output. How can I make my output colored like emacs and bas开发者_如何学JAVAh do?