reversestring.c

#include <string.h>
#include <stdio.h>

int main() {
	char a[] = "asdfgh";
	char b[20];
	int i = 0;
	for(i = strlen(a) - 1 ; i >= 0 ; i--) {
		b[(strlen(a) - 1) - i] = a[i];
	}
	printf("%s",b);
	return 0;
}