linux下 整型转字符串函数

/**        整型转字符串*/ 83 void itoa(int i, char *string) 84 { 85         int power = 0; 86         int j = 0; 87 88         j = i; 89 90         for (power=1; j>=10; j/=10) { 91                 power *= 10; 92         } 93 94         for (; power>0; power/=10) { 95            *string++ = '0'+ i/power; 96            i %= power; 97         } 98 99         *string = '\0';100 }