program to reverse a string using pointer

using codeblocks
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//program to reverse a string using pointer//comment of program
#include <stdio.h>                         //header file
#include<string.h>
int main()                              //main function
{
    char name[40];                     //character declaration
    char *p;                          //pointer declaration.
    int length;
    puts("enter string\n");           //display of message
    gets(name);                      // gets data/string
    length=strlen(name);             //stores length os string
    p=name+length;     
 // assigning total address as in given string; it becomes total taken from variable length starting from //0.
    //p=name takes address location 0 to pointer.
    while(p>=name)                 //the value of 'p' decreases from total location  until it reaches 0.
    {
        putchar(*p);                 //prints the value stored in particular location
        p--;                             //decreases the value
    }
    return 0;
}

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using turbo c++

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//program to reverse a string using pointer//comment of program
#include <stdio.h>                         //header file
#include<string.h>
#include<conio.h>
int main()                              //main function
{
    char name[40];                     //character declaration
    char *p;                          //pointer declaration.
    int length;
    puts("enter string\n");           //display of message
    gets(name);                      // gets data/string
    length=strlen(name);             //stores length os string
    p=name+length;     
 // assigning total address as in given string; it becomes total taken from variable length starting from //0.
    //p=name takes address location 0 to pointer.
    while(p>=name)                 //the value of 'p' decreases from total location  until it reaches 0.
    {
        putchar(*p);                 //prints the value stored in particular location
        p--;                             //decreases the value
    }
getch();
    return 0;
}