String function programs in c

This function in the below example means that the string of s is declared with a size of 5 with the character data type. This comes under the declaration and definition part of the string. This is another string function popularly used in C language. It is used to read the characters till the time whitespace such as space, tab or a newline is encountered. In essence, this is used to read a string. As the name suggests, this function is used to return the characters of the string in the lower case.

This function is used to return the size of the string i. There are many pre-built library functions in C programming language and it also provides you the option of creating your own custom function. Even if you do not want to create a function, you can write a piece of code corresponding to your requirement, but by making use of functions you will just make your job a lot easier and convenient. This has been a guide to C String Functions. Here we discussed how to use string function in C programming with the help of examples.

You can also go through our other suggested articles to learn more—. Submit Next Question. We concatenated two strings i. The string class has a default constructor that initializes string object to an empty string. Substr : This function is very simple one. As the name suggests it. This function takes two parameters. Starting index is 0 and we need three characters from the 0 th index so 3 is the second parameter.

The second parameter works from 1 to n. In the above example, the strcat function takes the copy str2 value and put it in str1. It combines to and gives output as below:.

Strcmp : As the name suggests this compares two strings and gives back the result. It is also known as internal pointers. If whitespace is given in the input then scanf will read the string coming from the first whitespace.

You can read this in the given program below,. Program to calculate the length of the Strings in C. Program to concatenates two strings in C. If the two strings are equal then it returns 0 otherwise it returns 1.

If string1 and string2 both are equal then strcmp function returns zero. Program to compare two strings in C. Strcpy : This function moves or copies the content of one string into another string. Program to copy the content of one string to another string in C. Note: If the length of the destination string is less than the source string then the source string is not copied into the destination string.

Program to find the desired character in a string. Strrchr : This function tells about the last occurrence of the desired character in a string.