Jul 23, 2025 · A substring is a contiguous sequence of characters within a string. In this article, we will learn how to extract a substring using a C program. The simplest method to get a substring …

May 10, 2012 · So it turns out that, in C, it's actually impossible to write a proper "utility" substring function, that doesn't do any dynamic memory allocation, and that doesn't modify the original …

Feb 2, 2024 · This tutorial introduces different methods in C to get a substring from a char. This tutorial describes the use of memcpy () function, strncpy () function, pointer arithmetic, and …

In C, you can find a substring within a string using various methods, including standard library functions like strstr() and strchr(), as well as custom implementations. These functions help …

Nov 19, 2025 · In this blog, we’ll demystify substring slicing in C, starting with a primer on Python’s approach, then diving into C string fundamentals, and finally building a palindrome …

The C library strstr () function returns a pointer to the first index of a specified substring in another string. The main goal of strstr () is to search for a substring within a larger string and it helps to …

I need something that gets a substring of 4 characters from the string. In the first call, I should get "THES"; in the second, I should get "TRIN"; in the third, I should get "GHAS".

You could achieve the same thing by copying the substring to another memory destination, but it's not reasonable since you already have it in memory. This is a good example of avoiding …

Jul 26, 2025 · C language provides various built-in functions that can be used for various operations and manipulations on strings. These string functions make it easier to perform …

Simply using pointers and pointer arithmetic will help you become a better C programmer. Simply return 0 for False (no substring found), or 1 for True (yes, a substring "sub" is found within the …