How to Reverse a string letter by letter in C language?

Answer 1

#include

#include

void pr_reverse(char *s);

int main(void)

{

pr_reverse("I like C");

return 0;

}

void pr_reverse(char *s)

{

register int i;

for(i = strlen(s) - 1; i >= 0; i--)

putchar( s [ i ] );

}

Answer 2

//reverse a string using pointers

# include<stdio.h>

# include<string.h>

void main()

{

char *first,*last;

char temp;

int len;

char str[20];

printf("enter ur string to be reverse: ");

gets(str);

len=strlen(str);

first=str; //point at first character

last=&str[len-1]; //point at last character

for(int i=0;i<=len/2;i++)

{

temp=*first;

*first=*last;

*last=temp;

first++;

last--;

}

puts(str);

}

//BY..RAJAT JAIN