Daily 5 C programs-2

1. Write a program to print the number of characters entered?Count the Input characters
   solution:

   #include<stdio.h>
   int main()
   {
       int x=0;
       while(getchar()!=EOF)
           ++x;
       printf("\nNumber of characters X=%d\n",x);
       return 0;
   }

   Output:
   hello world
   Number of characters entered is X=11
   
   
2. Write a program to count the number of words entered
   Solution:

   #include<stdio.h>
   int main()
   {
       int x=0,ch;
       while((ch=getchar())!=EOF )
       {
           if(ch && x==0)//for the i/p xxxEOF
               x=1;            
           if(ch=='\n' || ch==' ' || ch=='\t')
               ++x;
       }
       printf("\nNumber of words entered is X=%d\n",x);
       return 0;
   }

   Output1:
   zccc
   Number of words entered is X=1
   Output2:
   xcvvx cxcbsf
   bbb
   Number of words entered is X=3
3. Write a program to print all input lines that are longer than 80 characters
4. Write a program to remove all trailing blanks and tabs from each line of input and to delete entirely blank lines.
5. Write a function reverse(s) that reverses the character string s