a2i.c

cygwin下的包含各种c基本操作的demo程序

// a2i


#include "my_common.h"
#ifdef __cplusplus
extern "C"  {
#endif

//#define _a2i_debug

int a2i(char *str)
{
    int ii=0;
    
    while ( (*str) != '\0' )
    {     
    	    #ifdef _a2i_debug
    	    printf("%c ",*str);
    	    #endif
         	ii =(*str - 48) + ii*10;//good
         	str++;
         	
    }	
	   
	  #ifdef _a2i_debug
    printf("\n");
    #endif	    	     
	
	  return ii;
}

void fun_p(char *str)
{
     printf("I am the real fuc_p, your %s \n",str);

}

void test_ll(void)
{
    link_list *a = (link_list*)malloc(sizeof(link_list));	
    a->data = 11;
    a->next = NULL;
	
	  printf("the size of link_list is %d \n",sizeof(link_list));
	  printf("the value of a->data is %d \n",a->data);
	  return ;
}


#ifdef __cplusplus
            }
#endif