参数处理程序

参数处理程序：

#include 
#include 


int string_to_char(char *src, char *dst)
{
	
	if( sscanf(src,"%c",dst) != 1)
	{
		printf("argv[1] error\n");
		return -1;
	}
	return 0;
}
int main(int argc, char *argv[])
{
	char flag;
	int i=1;
	int s=1;
	int ret=0;


#if 1
	while(--argc)
	{
		ret = string_to_char(argv[i],&flag);
		if(flag == '-')
		{
			ret = string_to_char(argv[i]+1,&flag);
			switch(flag)
			{
				case 'm':
					printf(" -m \n");
					i++;
					break;
				default:
					printf("-%c \n",flag);		
					i++;
					break;
			}
		}
		else
		{
			printf("%s \n",argv[i]);
			i++;
		}
	}
#endif
	return 0;
}