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Parse hex string to int
This code converts a hexadecimal string into an integer value.
megan_benson
String copy w/ bounds check
Copies a string safely by checking that the destination buffer has enough space before copying.
tommy_washington
Parse hex string to bytes
Converts a hexadecimal string into a byte array for efficient data handling in C.
jenna
Calculate array length
This snippet determines the number of elements in a C array by dividing the total array size by the size of a single element.
shawn_henry99
Ternary Max Macro
Returns the larger of two values using a ternary operator without side effects.
mkim
hello world program
A C hello world program prints "Hello, World!" to the console using the printf function inside the main function.
larry_cook
Swap two numbers
This C code snippet swaps the values of two integer variables using a temporary variable.
clintonv
UTF-8 BOM strip
This C code snippet removes the UTF-8 Byte Order Mark (BOM) from the beginning of a file or string.
samuel
memcpy usage example
Copies a block of memory from a source to a destination, often used to duplicate data or copy structures.
theresawilliams366
memcpy overlap detection
Detects overlapping memory regions before a memcpy operation to prevent undefined behavior.
joanhouse
swap ints using XOR
Swap two integer variables in place using bitwise XOR, avoiding a temporary variable.
mklein
swap two integers
This snippet exchanges the values of two integer variables without using a temporary variable, leveraging XOR bitwise operations for an efficient in-place swap.
dayi
Iterate linked list
This snippet walks through a singly linked list in C by following each node's next pointer until reaching NULL.
dbates
Swap two integers
This C snippet exchanges the values of two integer variables without needing a temporary variable, using bitwise XOR.
marthathornton651
swap two integers
Swaps two integer values using a temporary variable, a quick and common C trick.
mcdonaldjamie520
swap two integers
This snippet efficiently swaps the values of two integer variables, often using a temporary variable or XOR to avoid extra memory.
sarah29966
swap two integers
This snippet efficiently swaps two integers by using a temporary variable.
moniquediaz119
binary search
Finds a target value in a sorted array by repeatedly dividing the search interval in half, achieving O(log n) time complexity.
gwhite476
Heap allocation example
Allocate and deallocate memory on the heap with malloc and free in this handy C snippet.
kristenpalmer218
binary search
This snippet efficiently finds the position of a target value within a sorted array by repeatedly dividing the search interval in half.
carriecruz467
String copy function
This C code snippet provides a function to copy a string from a source buffer to a destination buffer, properly handling null terminators and ensuring safe memory boundaries.
rebecca07280
