《c程序设计语言》-3.2 字符串转换

#include <stdio.h>

#define Num 1000

int main()
{

    int i = 0,j,k,count2 = 0;
    char s[Num] = {'\0'},t[Num];
    int c;

     while((c = getchar()) != EOF )
    {
        t[count2] = c;
        count2++;
    }

	while( t[i] != EOF && t[i] != '\0' )
	{
		switch(t[i])
		{
		    case '\n':
                {
                    s[j++] = '\\';
                    s[j++] = 'n';
                    i++;
                    break;
                }
		    case '\t':
		        {
		            s[j++] = '\\';
		            s[j++] = 't';
                    i++;
                    break;
                }
		    default:
		        {
		            s[j++] = t[i];
		            i++;
		            break;
		        }
		}
	}
	printf("\n");
	for(k = 0;k < j;k++)
        printf("%c",s[k]);

	return 0;
}