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Wednesday, July 13, 2011

Using gcc for newComer

GCC is one if the best compiler for C language . It has regualar upadates and patches .
GCC can be found preinstalled in almost all LINUX distros.
GCC can be installed on windows as standalone and also through Cygwin..
How to use GCC.
let you have a source code file named source.c and you want executable to be named as outpt then
the command will be
gcc -o outpt source.c
this will compile source.c and will create a exectuable as outpt
to see the output the command will be
./outpt

for more details use the man page
man gcc
Those who are moving from TurboC to GCC remember the following:-
1. Its a gcc compiler please take care of it{please come out of Turbo C}
2. Don't try to include "conio.h" and "dos.h"
3. Don't write void main().....only main() or int main() will work
4. The executable generated will work only in Linux{any distro}
5. Don't write getch()
6. For textual support from book use the book from K & R {The C programming language}

Notes for C++ :::
1. Its a g++ compiler
2. Don't try to write "#include < iostream.h > instead write these two lines:::
#include< iostream>
using namespace std;
3. Don't write void main ...
only int main() will work and then u have to write "return 0 ; " in main's body

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