C Program to reverse the string without using library function

Program

#include<stdio.h>
#include<string.h>
void main()
{
char str[20];
int i=0,j=0;
printf("Enter the String ");
gets(str);
while(str[i]!='\0')
i++;
i--;
printf("Reverse of string =\n");
while(i>=0)
{
printf("%c",str[i]);
i--;
}
}


Output

Enter the String Rajesh mishra
Reverse of string =
arhsim hsejaR