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 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()  in C Programming language

#include<string.h>

strlwr string function in C

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 the this function

strrev() function in C language

strrchr() function in C language

strdup() function in C language

strlwr()  function in C language

strupr()  function in C language

strrev()  function in C language

strset()  function in C language

strnset()  function in C language

strtok()  function in C language

strcat() function in C language

strncat() function in C language

strcpy() function in C language

strncpy() function in C language

strcmp() function in C language

strchr () function in C language

strdub () function in C language

 

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