Supported features

Variables
- Declaration
  - Global variables
- Initialization
- Assignment
- Automatic type conversion
- Variable list
- Array variables declaration
  - Sized
  - Unsized
- Multiple inline variables declaration
  - With pointers
Functions
- Declaration with no definition
- Declaration with definition
- Arguments
- Recursion
Types
- Pointers
- Arrays
  - Multi-dimensional arrays
- Structures
  - Declaration with no definition
  - Declaration with definition
  - Initialization
- Unions
- Enums
- Typedefs
Statements
- if
- for
  - With empty body
  - With multiple increments
- do
- while
- switch
- case
- default
- break
- continue
- return
- goto
Expressions
- Array indexing
- List initialization
- Structure property access
- Pointer property access
- Function call
- Type casting
Arithmetic
- Addition (+)
- Subtraction (-)
- Multiplication (*)
- Division (/)
- Modulo (%)
- Prefix increment (++)
- Prefix decrement (--)
- Postfix increment (++)
- Postfix decrement (--)
Bitwise operations
- Bitwise AND (&)
- Bitwise OR (|)
- Bitwise XOR (^)
- Bitwise NOT (~)
- Bitwise Left Shift (<<)
- Bitwise Right Shift (>>)
Logical operations
- Logical AND (&&)
- Logical OR (||)
- Logical NOT (!)
Conditional operations
- Equality (==)
- Inequality (!=)
- Less than (<)
- Less than or equal to (<=)
- Greater than (>)
- Greater than or equal to (>=)
Assignment operations
- Basic assignment (=)
- Addition assignment (+=)
- Subtraction assignment (-=)
- Multiplication assignment (*=)
- Division assignment (/=)
- Modulo assignment (%=)
- Bitwise AND assignment (&=)
- Bitwise OR assignment (|=)
- Bitwise XOR assignment (^=)
- Bitwise Left Shift assignment (<<=)
- Bitwise Right Shift assignment (>>=)
- Ternary operator (?:)
Pointers operations
- Pointer dereference (*)
- Pointer addition (+)
- Pointer subtraction (-)
- Prefix pointer increment (++)
- Prefix pointer decrement (--)
- Postfix pointer increment (++)
- Postfix pointer decrement (--)
- Value address (&)
Misc
- Comments
  - Single-line comments
  - Multi-line comments
- sizeof
Preprocessor directives
- #define A B
- #define F(x) x
- #define F(x) x ## 1
- #undef A
- #if A
- #ifdef A
- #ifndef A
- #else
- #elif A
- #endif
- #include <stdlib.h>
- #include "./locallib.h"
Standard Library
- stdlib.h
  - atof
  - atoi
  - atol
  - strtod
  - strtol
  - strtoul
  - calloc
  - free
  - malloc
  - realloc
  - abort
  - atexit
  - exit
  - getenv
  - system
  - bsearch
  - qsort
  - abs
  - div
  - labs
  - ldiv
  - rand
  - srand
  - mblen
  - mbstowcs
  - mbtowc
  - wcstombs
  - wctomb
- assert.h
  - assert
- string.h
  - memset
  - memchr
  - memcmp
  - memcpy
  - memmove
  - strcat
  - strncat
  - strchr
  - strcmp
  - strncmp
  - strcoll
  - strncpy
  - strcspn
  - strerror
  - strlen
  - strpbrk
  - strrchr
  - strspn
  - strtok
  - strxfrm