C Program #5

/* Program to reverse the alternate words of a string */

#include<stdio.h>

#include<string.h>

void reverse(char rev[],int n);

int main()

{

char str[100],rev[10];

int len,i,j,count;

printf("\n Enter a string:");

gets(str);

len=strlen(str);

printf("\n Converted string is:\n");

for(i=0;i<len;i++)

      {

       printf("%c",str[i]);

       if(str[i]==' ')

            {

                  j=i;

                  count=0;

                  while(str[++j]!=' ')

                        {

                        rev[count]=str[j];

                        count ++;

                        }

                        reverse(rev,count);

                        i=j;

            putc(' ',stdout);

                  }

       }

      return 0;

}

void reverse(char rev[],int n)

{

 int i;

      for(i=n-1;i>=0;i--)

            printf("%c",rev[i]);

}

INPUT/OUTPUT:

Enter a string:Program to reverse the alternate words of a string

 Converted string is:

Program ot reverse eht alternate sdrow of a string