Jan 31, 2009 · In C, extern is implied for function prototypes, as a prototype declares a function which is defined somewhere else. In other words, a function prototype has external linkage by default; using …

Remember that C passes all function arguments by value; the formal parameter receives a copy of the value in the actual parameter, and any changes to the formal parameter are not reflected in the …

Aug 15, 2012 · I have 2 projects decoder and dec in my visual studio. One has C code and other has C++ code using stl respectively.How do I instantiate the c++ classes in my c code inside decode …

On the use of a subset of C++ for use with embedded systems: there is now a MISRA C++ standard, which may be worth a look. EDIT: See also this question, which led to a debate about C vs C++ for …

Aug 5, 2012 · I see in one place that Arduino uses 'standard' C, and in another that it uses 'standard' C++, so on and so forth. Which is it?

1281 I know that global variables in C sometimes have the extern keyword. What is an extern variable? What is the declaration like? What is its scope? This is related to sharing variables across source …

May 22, 2016 · I know that Python provides an API so you can call Python interpreter in C code, but what I want is the opposite. My program needs to use some C API, so the code must be written in C. …

Nov 13, 2009 · I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include <math.h>. However, there doesn't seem to be a definition for …

Jul 15, 2012 · 89 c is not the abbreviation of vector in English, so why use c() to define a vector in R?

Just a small question: Can C++ use C header files in a program? This might be a weird question, basically I need to use the source code from other program (made in C language) in a C++ one. Is the...