convert string into sentence case in c language

In this video you will learn that how string can be converted into sentence case.
#include<stdio.h>
int main()
{
int i;
char str[100];
printf("Enter a string : ");
gets(str);
printf("Original String Is : %s",str);
if(str[0]>='a'&&str[0]<='z')
str[0]-=32;
for(i=1;str[i]!='\0';i++)
{ if(str[i]>='A'&&str[i]<='Z')
str[i]+=32;
}
printf("\nString in sentence case is : %s",str);
return 0;
}

#tarunsir #ctutorial #learnprogramming #sentencecase