Mega Code Archive
Reverse string content using its pointer
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#include <stdio.h>
#include <string.h>
int main(void)
{
char str1[] = "Pointers are fun and hard to use";
char str2[80], *p1, *p2;
/* make p point to end of str1 */
p1 = str1 + strlen(str1) - 1;
p2 = str2;
while(p1 >= str1)
*p2++ = *p1--;
/* null terminate str2 */
*p2 = '\0';
printf("%s %s", str1, str2);
return 0;
}
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