//wap to convert a given string into sentence case//
#include <stdio.h>

int StrToSentence(char * str)
{
    int len=0,i=0;

    len = strlen(str);

    for(i=0;i<len;i++)
    {
        if( (i==0) && (str[i]>='a' && str[i]<='z'))
        {
            str[i] = str[i] - 32;
        }
        else if(str[i]=='.')
        {
            if(str[i+1] == ' ')
            {
                if(str[i+2]>='a' && str[i+2]<='z')
                {
                    str[i+2] = str[i+2] - 32;
                }
            }
            else
            {
                if(str[i+1]>='a' && str[i+1]<='z')
                {
                    str[i+1] = str[i+1] - 32;
                }
            }
        }
    }
}


int main()
{
    char str[100]={0};
    int len=0,i=0,j=0,k=0;

    printf("\nEnter string : ");
    gets(str);


    StrToSentence(str);

    printf("Final string is : %s",str);
    return 0;
}