C-String Archives - GeeksforGeeks

Copy N Characters from One String to Another Without strncat()

Last Updated: 26 February 2024

In C, strings are the sequence of characters that are used to represent the textual data. Two strings can be easily concatenated or joined using the strncat() function of ...read more

C Program to Concatenate Two Strings Using a Pointer

Last Updated: 28 November 2024

Concatenating two strings means appending one string at the end of another string. While the standard library provides strcat() for concatenation, this article will demons...read more

C Program to Compare Two Strings Using Pointers

Last Updated: 28 November 2024

In C, two strings are generally compared character by character in lexicographical order (alphabetical order). In this article, we will learn how to compare two strings us...read more

Array of Pointers to Strings in C

Last Updated: 04 April 2024

In C, arrays are data structures that store data in contiguous memory locations. Pointers are variables that store the address of data variables. We can use an array of po...read more

How to Convert a String to a Char Array in C?

Last Updated: 05 December 2024

In C, the only difference between the string and a character array is possibly the null character '\0' but strings can also be declared as character pointer in which case,...read more

Why is Conversion From String Constant to 'char*' Valid in C but Invalid in C++?

Last Updated: 02 April 2024

In both C and C++, strings are sequences of characters enclosed in double-quotes. In this article, we will learn why is the conversion from string constant to 'char*' vali...read more

How to Reverse a String in C?

Last Updated: 17 May 2024

In C, a string is a sequence of characters terminated by a null character (\0). Reversing a string means changing the order of the characters such that the characters at t...read more

Last Updated: 27 May 2025

Thestrchr()function in C is a predefined function in thestring.hlibrary.It is used to find the first occurrence of a character in a string. It checks whether the given cha...read more

How to Concatenate Multiple Strings in C?

Last Updated: 17 June 2024

In C, concatenating strings means joining two or more strings end-to-end to form a new string. In this article, we will learn how to concatenate multiple strings in C.Exam...read more

How to Match a Pattern in a String in C?

Last Updated: 15 December 2024

Matching a pattern in a string involves searching for a specific sequence of characters within a larger string. In this article, we will learn different methods to efficie...read more

How to Split a String by a Delimiter in C?

Last Updated: 17 June 2024

Splitting a string by a delimiter is a common task in programming. In C, strings are arrays of characters, and there are several ways to split them based on a delimiter. I...read more

How to Split a String by Multiple Delimiters in C?

Last Updated: 28 June 2024

In C, strings are arrays of characters using string manipulation often requires splitting a string into substrings based on multiple delimiters. In this article, we will l...read more

strncpy() Function in C

Last Updated: 05 August 2024

The strncpy() function in C is a predefined function in the string.h library used to copy a specified number of characters from one string to another. To use this function...read more

C Program to Sort a String of Characters

Last Updated: 05 December 2024

Sorting a string of characters refers to the process of rearranging all the characters in the given order. In this article, we will learn how to sort a string of character...read more

Pointer Arithmetic with Strings

Last Updated: 11 June 2025

Pointer Arithmetic is a technique in C that allows manipulation of memory addresses. We can also manipulate arrays using pointer arithmetic as the arrays are nothing but c...read more

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