Wisely Created Linux, Network, Programming Tutorial
C Programming language provides the qsort() function in order to sort integers in an array. The array should consist of numbers which can be integers, long integers, or floating-point numbers. The qsort() function also called comparator it is used to compare numbers and sort them properly. In this tutorial, we examine the qsort() function syntax, … Read more
Files contain different types and amounts of data to store. The stored data sets the size of the file. We can find and display the size of the file in C by using different methods. In this tutorial, we examine how to file the size of the file in C by expressing it in different … Read more
C programming language provides the ability to read a file line by line. A file may contain multiple lines to store content. There are different ways to get this content where reading line by line is a method. The C programming language provides different methods to read a file line by line. In this tutorial, … Read more
The C programming language provides different functions in order to read files. The file can be a binary file or a text file. The fgetc() , fgets() , fscanf() and fread() functions can be used to read files. In order to read a file, it should be opened with the fopen() function. Open File In … Read more
The C programming language provides different functions which sleep() is one of them which is used to stop the current process or thread execution. The sleep() function is used to wait for a specified number of seconds, milliseconds, or minutes. Include uninstd.h Library In Linux Different C implementations provides different libraries in order to use … Read more
The C programming language provides the strcat() function which is used to append or join strings or character arrays together. Two string or character arrays are provided to join where a second character array is added after the first character array. strcat() Function Syntax The strcat() function is syntax is like below. It accepts two … Read more
C programming language provides the sizeof() function or operation in order to get the size of the specified variable, array, or object. The sizeof is very popular and used in different ways with different scenarios. The sizeof is very useful to get an object size in order to allocate required memory. sizeof() Syntax The sizeof() … Read more
C programming language provides the strcmp() function in order to compare strings. Strings are represented as character or char arrays in C. In this tutorial, we examine how to compare strings in C programming. strcmp() Function Syntax The strcmp() function syntax is like below. STR1 is the first string. STR2 is the second string. If … Read more
C programming language provides the strstr() function which is used to search a string in a string. The first occurrence of the string location is returned as a pointer location. This operation is also called searching a needle in a haystack. The search operation ends with the end of the string which consists of \0 … Read more
C programming language provides the strtok() function in order to break a string into multiple tokens using the specified delimiter. As an example, a command-separated CSV file can be easily parsed with the strtok() function by using the comma as the delimiter. strtok() Function Syntax The syntax of the strtok() function is like below. This … Read more