• On September 14, 2021
• By Karmehavannan
• 0 Comment
• Categories: function in C, Pre-define String function in C
• Tags: "String.h" header file in c language, C language, pre-defined function

strlwr string function in C programming language

strlwr string function in C programming language

In this tutorial, we will learn about strlwr string function in C programming language

Description

strlwr() – In the C programming language, this function is used to Convert the string from any case to lower case

 

Declaration

Syntax for strlwr() function is given below

char strlwr ( char *string);

parameter or argument

String – The string value(from uppercase or mixed case) converts to lowercase letter

 

Returns

The strlwr() function converts all the upper case or mixed case of the string into lowercase characters

 

Required Header

the required header for strlwr() String function in C Programming language 

#include<string.h>

Example

In this program, str1 is an uppercase letter(C LANGUAGE) and str2 is a mixed case letter(C lanGuagE). all are converted to lower case letter by strlwr() function

Program 1

#include <stdio.h>
#include <stdlib.h>

int main()
{
    char str1[]="C LANGUAGE ";//upper case
    char str2[]="C lanGuagE ";//mix case
    printf("convert to lower case :%s\n",strlwr(str1));
     printf("convert to lower case :%s",strlwr(str2));
     getch();
    return 0;
}

 

When above program me  is compiled it will produce the following result

convert to lower case :c language
convert to lower case :c language

 

There are other C programming language functions that are  similar to this function

 

strupr() function in  C

strrchr() function in C

strcmp() function in C

 strcat() function in C

strcpy() function in C

strncpy() function in C

 

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