Write a program in C to reverse each word at its

HI..this is a program in C++..plz convert it to C by simply making some changes in the header files and cout, cin statements..

#include<iostream.h>
#include<conio.h>
#include<stdlib.h>
#include<stdio.h>
void main()
{clrscr();
char ch[100];
cout<<"\n Enter a Character: ";
gets(ch);
for(int length=0;ch[length]!='\0';length++);
for(int i=0,j=length;i!=j;i++,j--)
{char temp=ch[i];
ch[i]=ch[j];
ch[j]=temp;
}
cout<<"\n Reversed String: ";
puts(ch);
getch();
}