#include <stdio.h>
int main(int argc, const char *argv[])
{
char a[50] = {0};
char b[50] = {0};
int i = 0,j = 0;
printf("please input (char [50]) > ");
scanf("%[^\n]",a);
while(a[i])
b[j++] = a[i++];
printf("b = %s\n",b);
return 0;
}