状态机编程技巧：状态表与函数表

#include <stdio.h>  
  
char str[128] = "   ./a.out 100   200   ";  
int argc;  
char * argv[16];  
  
int i = 0;  
void act_save(void)  
{  
    argv[argc++] = str + i;  
}  
  
void act_end(void)  
{  
    str[i] = '