What does pragma comment do?
#pragma comment is a compiler directive which indicates Visual C++ to leave a comment in the generated object file. The comment can then be read by the linker when it processes object files.
What is #pragma comment Lib Ws2_32 lib?
The #pragma comment indicates to the linker that the Ws2_32. lib file is needed.
What is pragma in C language?
A pragma instructs the compiler to perform a particular action at compile time. Pragmas vary from compiler to compiler. For example, you can use the optimize pragma to set the optimizations to perform on your program. The Microsoft C pragmas are: alloc_text.
What is pragma in embedded C?
The #pragma in C is a directive that is provided by the C standard in order to provide extra required details to the C compiler. These extra details can be anything that was somehow not passed within the program or the code logic. These directives, known as pragma are prefixed by the STDC in the standard.
What is the meaning of pragma?
A pragma is a compiler directive that allows you to provide additional information to the compiler. This information can change compilation details that are not otherwise under your control. For example, the pack pragma affects the layout of data within a structure. Compiler pragmas are also called directives.
What is Winmm lib?
winmm.lib is the import library for Multimedia API: http://msdn.microsoft.com/en-us/library/windows/desktop/dd743883.aspx. ws2_32.lib is the import library for WinSock API: http://msdn.microsoft.com/en-us/library/windows/desktop/ms740673.aspx.
Does GCC support pragma once?
On the other hand, #pragma once is not necessarily available in all compilers and its implementation is tricky and might not always be reliable….Portability.
| Compiler | Support |
|---|---|
| C++Builder XE3 | Yes |
| Digital Mars C++ | Yes |
| GCC | Yes (officially since 3.4) |
| HP C/aC++ | Yes (since at least A.06.12) |
What is pragma in SQL?
The PRAGMA statement is an SQL extension specific to SQLite and used to modify the operation of the SQLite library or to query the SQLite library for internal (non-table) data. No error messages are generated if an unknown pragma is issued. Unknown pragmas are simply ignored.
What is pragma section?
#pragma section defines a section class, and optionally, one or two sections in the class. A section class controls the addressing and accessibility of variables and code placed in an instance of the class.
What language is pragma?
Greek
A pragma (from the Greek word meaning action) is used to direct the actions of the compiler in particular ways, but has no effect on the semantics of a program (in general).
What is pragma the goddess of?
Pragma is about making compromises to help the relationship work over time, and showing patience and tolerance.
What is MMSystem H?
MMSystem. h is a header file for Windows multimedia functions, introduced in Multimedia Windows 1.0 or Windows 3.1. The name states for ‘multimedia system. ‘ A related file is WinMM.