C Program to Swap Two Numbers
Here we'll discuss about different techniques how we can swap two numbers. Swapping two numbers means exchanging the values of two variables. For example, if value of A is 5…
C Program to Reverse a Linked List
Reversing a linked list means re-arranging the next (connection) pointers. Head will point to the last node and the first node will point to NULL. Direction of other next pointers…
C Program to Count Characters, Words and Lines in a File
To get a quick summary of a file like total number of characters, words and limes, Linux already has a tool, wc. Here we'll see how to write C program…
C Program to Count Words in a String
For our purpose, a word is a set of consecutive characters without any white-space. For example, 'qnaplus' is a word but 'qna plus' has two words. Here we'll see how…
Count Occurrences of a Substring in a String in C
Here we'll see how to find out the number of occurrences of a substring in a string. C string library (<string.h>) provides a function (strstr()) to check the presence of…