The strlwr( ) function is a built-in function in C and is used to convert a given string into lowercase.
Syntax:
char *strlwr(char *str);
Parameter:
- str: This represents the given string which we want to convert into lowercase.
Returns: It returns the modified string obtained after converting the characters of the given string str to lowercase.
Note: This is a non-standard function that works only with older versions of Microsoft C.
Below programs illustrate the strlwr() function in C:
Example 1:-
#include<stdio.h>
#include<string.h>
int main()
{
char str[ ] = "GEEKSFORGEEKS IS THE BEST" ;
printf ( "%s\n" ,strlwr (str));
return 0;
}
|
Output:
geeksforgeeks is the best
Example 2:-
#include<stdio.h>
#include <string.h>
int main()
{
char str[] = "CompuTer ScienCe PoRTAl fOr geeKS" ;
printf ( "Given string is: %s\n" ,str);
printf ( "\nString after converting to the "
"lowercase is: %s" ,strlwr(str));
return 0;
}
|
Output:
Given string is: CompuTer ScienCe PoRTAl fOr geeKS
String after converting to the lowercase is: computer science portal for geeks
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Last Updated :
04 Oct, 2018
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