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

# Two kinds of local variables

We talked about variable scope and the idea that variables declared within a function are local to that function. What actually happens is that each time a function is called by another piece of code, all the variables declared within the function are created (that is, memory is allocated to hold them). When the function is finished, all of that local memory storage is deallocated, and those variables essentially disappear. Such variables are known as **automatic** local variables (they are automatically created and then destroyed as the function is called, and then finishes).

If we want local variables to persist, we can declare them as **static** local variables. We simply insert the word `static` in front of the variable type when declaring it inside a function. When declared in this way, the variable will not be destroyed when the function exits, but it (and its value) will persist. Next time the function is called, the variable will have retained the value from the previous function call. 

## Example

Here’s an example program that maintains a running count of the number of times the function `myFun()` has been called in the variable `num`. 

An introduction to automatic and static variables.

Automatic vs Static Variables

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

Write a Shell in C

C Debugger

Code Profiling

Parallel Programming in C

Project: Using a Bootstrapped t-test

Conclusion

Miscellaneous

Appendix: Setting Up the Environment

Automatic vs Static Variables

Two kinds of local variables