Here the projects in this repository to learn C and the topics covered by each one:

• What is an entry point of a function, what is main.
• How to print text using printf, puts and putchar, how to use sizeof.
• How to compile using gcc.

• Integers.
• Arithmetic Operators, Relational operators, Logical operators.
• If, if…else statements.
• while loop.

• What are nested loops and how to use them.
• What is a function and how do you use functions.
• What is a prototype.
• What are header files and how to to use them with #include.

• What is debugging? Some methods and error messages.

• What are pointers, arrays, strings and how to use them.
• Difference between pointers and arrays.

• What is recursion and how to implement it.
• In what situations you should and shouldn't implement recursion.

• What is a static library, how does it work, how to create one, and how to use it.

• How to use arguments passed to your program.

• What is the difference between automatic and dynamic allocation.
• How to use the exit function.
• What are the functions malloc, calloc and realloc from the standard library and how to use them.

• What are macros and how to use them.
• How to include guard your header files.

• What are structures, when, why and how to use them.
• How to use typedef.

• What are function pointers and how to use them.
• Where does a function pointer point to in the virtual memory.

• What are variadic functions.
• How to use va_start, va_arg and va_end macros.
• Why and how to use the const type qualifier.

How to make our own printf function.

• When and why using linked lists vs arrays.
• How to build and use linked lists.

• Look for the right source of information without too much help.
• How to manipulate bits and use bitwise operators.