C Program to Convert a String to Lowercase

program:

#include <stdio.h>
#include <string.h>
int main()
{
   char string[100];
   printf("Input a string to convert to lower case\n");
   gets(string);
   printf("Characters in lower case: \"%s\"\n",strlwr(string));
   // strlwr is used to convert uppercase string to lowercase
   return  0;
}

output: