Jun 22
Operators Introduction
An operator is a symbol which helps the user to command the computer to do a certain mathematical or logical manipulations. Operators are used in C language program to operate on data and variable. C has a rich set of operators which can be classified as
1. Arithmetic operators
2. Relational Operators
3. Logical Operators
4. Assignment Operators
5. Increments and Decrement Operators
6. Conditional Operators
7. Bitwise Operators
8. Special Operators
written by Shweta
\\ tags: C Language
Jun 22
Free c/c++ compilers :-
Latest version of excellent Inprise’s compiler now completely free for download.
GCC for SPARC Systems extends GCC to be able to use the latest, performance optimizing Sun Code Generator for SPARC systems. Supports GCC and Sun Studio command line options.
assorted other utilities.
The Miracle C Compiler runs under MS-Windows targeting MSDOS. All traditional C syntax is implemented, including record (struct/union) and enumerated data types, int, long and floating point data types, user type definition, bit fields in structs, initializers for all data types. There is a comprehensive library of functions, some example programs demonstrating compiler features and Windows Helpfile documentation is supplied with the package. Miracle generates object for Microsoft or compatible linker (such a linker is builtin to the Workbench).
OpenC++ is a version of C++ with a Metaobject Protocol. In other words, it is a tool of source-code translation for C++. Programmers can easily implement various kinds of translation so that they can define new syntax, new annotation, and new object behavior. OpenC++ is useful if they need, for example, Developing extensions to C++, to provide support for things like parallelism, distribution, concurrency, and persistence. Adding domain-, application-, or class-specific compiler optimizations. Building their own version of (runtime) MOP for C++.
Free Download : Turbo C 3.0
This is a free C++ compiler from Borland. It comes with an IDE and debugger.
written by Shweta
\\ tags: C and C++ Compilers, C Language
Jun 22
About Unix :
Unix is a general-purpose time-sharing operating system developed in the early 1970s at Bell Laboratories by Ken Thompson and Dennis Ritchie. Almost three decades later, Unix stands as one of the most influential systems in computing history, and its popularity continues to grow. It has been ported to dozens of hardware platforms, and nearly every major vendor supports a product line based on Unix. In 1983, Thompson and Ritchie received the ACM Turing Award ( q.v.) for their contributions to the computing field.
Unix and C Language : -
The UNIX system is itself written in C. In fact C was invented specifically to implement UNIX. All of the UNIX commands which you type, plus the other system facilities such as password checking, lineprinter queues or magnetic tape controllers are written in C.
In the course of the development of UNIX, hundreds of functions were written to give access to various facets of the system. These functions are available to the programmer in libraries. By writing in C and using the UNIX system libraries, very powerful system programs can be created. These libraries are less easy to access using other programming languages. C is therefore the natural language for writing UNIX system programs.
written by Shweta
\\ tags: C and Unix, C Language
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