* @brief Creates a matrix with the specified number of rows and columns, initialized to zero. * * This function allocates memory for a matrix struct

* @brief Deallocates the memory associated with a matrix. * * This function frees the memory used by the matrix, including its data array. * If th

* @brief This function allocates sufficient memory to hold a copy of the provided * C-string `s`, copies the content of `s` into the newly allocated

* Unlocks a mutex. * * Releases a mutex that was previously locked by the calling thread. If the * mutex is a recursive mutex, it may need to be un

Internal: set last error

* @brief Deallocates a JSON element and all of its associated resources. * * @param element A pointer to the `JsonElement` to be deallocated. If th

* @brief Converts a UTF-8 encoded string to a wide character string (wchar_t) on Windows. * * @param utf8Str Pointer to the UTF-8 encoded string. *

* Locks a mutex. * * This function attempts to lock a mutex. If the mutex is already locked by * another thread, the calling thread will block unti

* @brief Returns the number of elements currently stored in the vector. * * This function provides the current size of the vector, indicating how m

Internal: set last error from system

* @brief Retrieves a specific element from a JSON object or array by key or index. * * @param element The JSON element, which must be an object or

* @brief Gets the value of a specific element in a matrix. * * This function retrieves the value of the matrix element at the specified row and colu

* @brief Creates a new JSON element of the specified type. * * @param type The type of JSON element to create. This can be one of the following: *

* @brief Sets the value of a specific element in a matrix. * * This function sets the value of the matrix element at the specified row and column.

Append `item` to the end. Inlined fast path when the buffer has room. */

* @brief Creates a new BigFloat initialized to 0.0. * @return Pointer to the new BigFloat, or NULL if allocation fails. */

Borrowed pointer to the element at `pos`, or NULL if out of bounds / NULL vec. */

* @brief This function checks if the provided Time object is valid. A valid Time object * has hours in the range 0-23, minutes in the range 0-59, se

Append a C string to a growable buffer (no implicit NUL). */

Helper function to get current time in milliseconds

* @brief Creates a new BigInt initialized to zero. * * Allocates memory for a BigInt and initializes its value to 0. * * @return Pointer to the ne

* @brief Checks if the provided Date object represents a valid date. * * This function validates the year, month, and day components of the Date obj

* @brief Converts a wide character string (wchar_t) to a UTF-8 encoded string. * * @param wstr Pointer to the wide character string (wchar_t). *

set an error string and return root

* @brief Retrieves the last system-specific error and formats it into a human-readable message. * * This function populates the given `TcpStatusInf

* @brief Free all strings owned by an HttpUrl and zero the struct. * * Releases scheme/userinfo/host/path/query/fragment, then memsets `*u` so it ca

* @brief Checks if a matrix is square. * * A square matrix has the same number of rows and columns. * * @param matrix The matrix to be checked. *

* @brief Closes the file associated with the given `FileReader`. * * This function closes the file associated with the `FileReader` structure. * It

* @brief Release every allocation owned by a token. NULL is a safe no-op. * * Wipes the signature bytes with `OPENSSL_cleanse` before free so any *

* @brief Frees resources allocated for the compiled regex object. * * @param regex The regex object to free. */

* @brief Creates a new String object initialized with the given initial string. * * This function allocates memory for a new String object and initi

Small helper: dup a string but never return NULL. Falls back to a newly-allocated copy of `fallback` (which itself must not be NULL). Used by th

* @brief Clears the result set returned by a query and frees the associated memory. * * @param pgResult Pointer to the PostgresResult structure to

* @brief Build an empty (NONE-tagged) variant. * * A NONE variant carries no value. It's the canonical "absence of a * value" — equivalent to `std:

* @brief Return a human-readable name for the variant's active type. * * Always returns a non-NULL static string. For CUSTOM variants, uses * `info

* @brief Closes the file associated with the given `FileWriter`. * * This function closes the file associated with the `FileWriter` structure. * It

* @brief Opens a file for writing, based on the specified mode. * * This function opens a file for writing according to the specified `WriteMode`.

* @brief Canonical wire-format name of a JWT algorithm. * * Returns `"none"`, `"HS256"`, `"RS256"`, etc. — the strings RFC 7518 * mandates inside t

* @brief Closes a TCP socket. * * This function closes the specified TCP socket. It handles platform-specific socket closure * for both Windows an

* @brief Executes a SQL query on the PostgreSQL database and returns the result. * * @param pg Pointer to the Postgres structure representing the c

Append a single byte. */

Append `n` raw bytes. */

* @brief Multiplies two matrices and returns the result. * * This function performs matrix multiplication between two matrices, `matrix1` and `matri

* @brief Retrieves the last error message reported by the PostgreSQL connection. * * @param pg Pointer to the Postgres structure representing the c

* @brief This function generates a random double precision floating-point number * in the range [0, 1) using the standard library `rand()` funct

Frees the per-match group buffers allocated by regex_match / regex_search / * regex_find_all. Safe to call with a zeroed or already-freed RegexMatch.

Helper function to reset global stats

* @brief Release all heap memory owned by @p v and reset it to NONE. * * Behavior by tag: * - NONE / primitives / POINTER: no allocation to free;

* @brief This function releases all the memory allocated for the vector, including the * contiguous element buffer and the vector structure itself. A

malloc a NUL-terminated copy of s[0..n). */

* @brief Returns an iterator to the first element in the map. * * This function returns an iterator pointing to the first element in the map, * whi

* @brief Returns an iterator to the position after the last element in the map. * * This function returns an iterator representing the end of the ma

* @brief Advances the iterator to the next element in the map. * * This function increments the iterator to point to the next element in the map *

* @brief Internal: append @p n bytes of @p src to a growing buffer. * * Maintains a doubling capacity scheme so the amortized cost per byte * is O(

* @brief Reports whether @p port has an active OS handle. * * Useful before calling any I/O function. Safe with NULL. */

* @brief Creates a new, empty CsvRow structure. * * This function allocates memory for a new CsvRow structure and initializes its members. * * @re

Append a NUL-terminated string. */

Lock / unlock the logger's internal recursive mutex. Both are no-ops when * the logger has no lock (mutex allocation failed at init), so the logger

* @brief Transposes a given matrix. * * This function creates a new matrix with rows and columns swapped from the input matrix. * The elements are

* @brief Advances the JSON parser state to the next token in the input string. * * This function skips over any whitespace and then identifies the

* @brief Build a PlotColor from a packed 32-bit value. * * Unpacks @p rgb_or_rgba as 0xAARRGGBB. The top byte is treated as * alpha, the next byte

Advance and return the next 32-bit value. Marsaglia xorshift32. */

* @brief Returns an iterator to the first (smallest) element. * @param set The set (NULL yields the end iterator). * @return An iterator to the smal

* @brief This function calculates the arithmetic mean (average) of the given data points. * * @param data Pointer to an array of doubles representin

* @brief This function allocates memory for a new vector, initializes its internal structure, and * sets its initial capacity. The vector is created

* @brief This function ensures that the vector has enough capacity to hold at least the specified * number of elements. If the current capacity is a

* @brief Appends a new row to a CSV file. * * This function adds a new row to the end of a CsvFile. If the file's capacity is * insufficient, it au

FNV-1a 64 reduced to size_t. */

* @brief Canonical wire-format name of an HttpMethod. * * Returns a static string ("GET", "POST", "PUT", "DELETE", "OPTIONS", * "HEAD", "PATCH") su

* @brief Generate cryptographically secure random bytes. * * @param buffer Pointer to the byte array where random bytes will be stored. * @param s

* @brief Advances an iterator to the in-order successor. * * After the largest element the iterator becomes the end iterator * (`node == NULL`). NU

Case-insensitive whole-string equality. */

Append `n` bytes of `s` to the growable, always-NUL-terminated buffer * (*buf, *cap, *len). Grows geometrically. Returns false on OOM. */

* @brief Creates an independent deep copy of a Date object. * * The returned object owns its memory and must be freed by the caller via * @ref date

Free a node. Inline values live inside the node allocation and are released * with it; only an externally-owned (emplace) value is a separate block t

free the memory allocated for the ezxml structure

Function to check if a floating-point number is effectively zero

* @brief Inserts a key-value pair into the map. * * This function inserts a new key-value pair into the map. If the key already exists, its associat

* Destroys a mutex. * * This function releases any resources associated with the mutex. After calling * this function, the mutex must not be used u

* @brief Retrieves the SSL object associated with a TCP socket. * * This function retrieves the SSL object that has been associated with a specified

Helper function to update stats

* @brief Creates a new Bitset with the specified number of bits. * * Allocates memory for a Bitset structure and its internal bit array, initializin

* Destroys a condition variable. * * Releases any resources associated with the condition variable. After calling * this function, the condition va

* @brief Opens a file for reading, based on the specified mode. * * This function opens a file for reading according to the specified `ReadMode`. *

* @brief Writes data from a buffer to a file using the specified `FileWriter`. * * This function handles writing data to a file, with special handli

* @brief Writes formatted data to the file, similar to `fprintf`. * * This function formats a string according to the specified format and writes it

Free a node (its value is inline, so a single free releases both). */

* @brief Past-the-end iterator. Compares equal only to itself / an * iterator that has walked off the end. */