Learn C programming fundamentals like data types, control flow, functions, pointers, and memory allocation while exploring debugging, profiling, and optimization tools like GDB and gcc.

clang.tar.gz

RunC

RunCwithGNUflags

RunCwithlmflag

Run_go_file 

RunC-without_warning_flag

Compile-only

doNothing

Posix

RunCFileGo

Compile-go-file

Compile-go-debugging-file

OpenMP

Make

MPI4Threads

MPI8Threads

Octave

RunC-without_warning_flag-KS

This comprehensive course covers the fundamentals and advanced concepts of C programming to build a solid foundation for your programming journey. You’ll learn about essential topics like data types, variables, constants, and C statements, along with deeper explorations of control flow in C, including for loops and conditional statements in C. You’ll also learn about C functions, scope of variables, function arguments, and work with arrays, strings, and pointers in C.

You’ll gain hands-on experience with dynamic memory allocation, stack vs. heap, C standard library, and advanced topics such as binary files, input and output streams, and header files. The course also teaches compiling in C, linking in C, and debugging with tools like GNU debugger (GDB) and gprof for code profiling. By mastering these concepts, you’ll confidently program in C and optimize your code using gcc optimization flags.

Learn C

What will be printed to the screen?
```C
void sum(int a, int b) {
  int sum = a + b;
  return sum;
}

int main(void) {
  int x = 3, y = 4;
  printf("%d", sum(x, y));
  return 0;
}
```  


What will be printed to the screen?
<pre><code class="language-C">void sum(int a, int b) {
 int sum = a + b;
 return sum;
}

int main(void) {
 int x = 3, y = 4;
 printf(&quot;%d&quot;, sum(x, y));
 return 0;
}
</code></pre>

What will be printed to the screen?
```C
void my_func(int x, int y) {
  x = y * 4;
  y = x + 10;
}
    
int main(void) {
  int x = 5;
  int y = 9;
  my_func(x, y);
  printf("x = %d, y = %d", x, y);
  return 0;
}
```    

  
  


What will be printed to the screen?
<pre><code class="language-C">void my_func(int x, int y) {
 x = y * 4;
 y = x + 10;
}
 
int main(void) {
 int x = 5;
 int y = 9;
 my_func(x, y);
 printf(&quot;x = %d, y = %d&quot;, x, y);
 return 0;
}
</code></pre>

What does this code print?

```C
#include <stdio.h>

int foo(void) {
 static int num = 0;
 num++;
 return num;
}

int main(void) {
 int i, returned_val;

 for (i = 0; i < 3; i++)
 returned_val = foo();
 printf("The last value returned is %d\n", returned_val)

 return 0;
}
```

What does this code print?
<pre><code class="language-C">#include &lt;stdio.h&gt;

int foo(void) {
 static int num = 0;
 num++;
 return num;
}

int main(void) {
 int i, returned_val;

 for (i = 0; i &lt; 3; i++)
 returned_val = foo();
 printf(&quot;The last value returned is %d\n&quot;, returned_val)

 return 0;
}
</code></pre>

What kind of a variable is `x`?

```C
#include <stdio.h>

long x = 5;

int main(void) {
 ++x; 
 return 0;
}
```

What kind of a variable is <code>x</code>?
<pre><code class="language-C">#include &lt;stdio.h&gt;

long x = 5;

int main(void) {
 ++x; 
 return 0;
}
</code></pre>

Let's refresh what we've learned about functions with this quiz.

Introduction to C Programming

Data Types in C

C Operators and C Expressions

Control Flow in C

Functions in C

Complex Data Types

Stack vs. Heap

Pointers in C

C string

Input and Output Stream

Macros and the C Preprocessor

Header Files, Compiling and Linking

C Debugger

Code Profiling

Parallel Programming in C

Project: Using a Bootstrapped t-test

Conclusion

Miscellaneous

Appendix: Setting Up the Environment

Quiz on Functions