And essentially the same mechanism is used by C++ compilers — I'm not aware of a reason for them to deviate from what POSIX specifies for C. I recommend that you use the #include …

2008年8月22日 · Then search the default include path. You can use command like this to print the default include path: gcc -v -o a a.c Here are some examples to make thing more clear: the …

2009年1月21日 · Header files are C's way of separating interface and implementation. They are divided into two types: standard and user-defined header files. A standard header file, such as …

When you use angle brackets, the compiler searches for the file in the include path list. When you use double quotes, it first searches the current directory (i.e. the directory where the module …

2009年8月28日 · foo.c should #include "foo.h-- see discussion, and also Jonathan Leffler's comment below. If foo.c requires additional headers for it to compile, include them in foo.c. If …

2013年3月25日 · Even if you include / not include in test.c file, it is not going to bother much, provided you include it in test.h file and include that test.h file in test.c. Hope you are clear with …

2012年5月4日 · The problem seems to be that sayHello.c got compiled into an object file called sayHello.obj, and main.c (also including all the source text from sayHello.c), got compiled into …

The second team doesn't want to include the XML.h because they already have XMLEx.h included, providing all functions of XML.h. Is there a mechanism to implement something like: …

2010年1月25日 · Unlike C or C++ in C# there is no need to have a #include to use types defined in other files. C# instead does type resolution based on containers such as classes or …

2008年10月5日 · It is a simple way to include a header at most once only. (In VC++ and GCC you can do this via #pragma once as well) The #import directive was officially undeprecated by the …