C Programming Study Materials

Variables, data types, operators, expressions, input/output functions, and control flow in C.

One-dimensional and multi-dimensional arrays, string handling functions, and array operations.

Function definition, call by value/reference, recursion, and library functions.

Pointer basics, pointer arithmetic, pointers with arrays/strings, double pointers, and void pointers.

Defining structures, accessing members, nested structures, unions, and typedef.

File modes, fopen, fclose, fread, fwrite, fseek, and binary file operations.

malloc, calloc, realloc, free, and memory leak prevention in C.

Singly, doubly, and circular linked lists — insertion, deletion, traversal, and reversal.

Bubble sort, selection sort, insertion sort, merge sort, and quicksort in C.

#define, macros, #include, #ifdef, conditional compilation, and header guards.

AND, OR, XOR, NOT, shift operators, bit masking, and flag manipulation in C.

Common C interview questions, tricky pointer problems, and C vs C++ differences.