Could someone explain this code, string
Code:
#include <stdio.h>
#include <string.h>
#define MAX_LEN 80
void reverse_string(char str[])
{
int i, len = strlen(str);
for(i = 0; i < (len / 2); i++)
{
char ch = str[i];
str[i] = str[(len - 1) - i];
str[(len - 1) - i] = ch;
}
}
int main()
{
char str[MAX_LEN+1];
printf("Enter string:\n");
scanf("%s", str);
reverse_string(str);
printf("%s\n", str);
return 0;
}
This is how you can reverse a string using a For loop. However, I don't understand this part:
Code:
for(i = 0; i < (len / 2); i++)
{
char ch = str[i];
str[i] = str[(len - 1) - i];
str[(len - 1) - i] = ch;
}
Could someone please explain it to me so I can understand it? Thanks