switch_case嵌套使用举例

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main(int agrc,const char * argv[])
{
	unsigned int mux_id = atoi(argv[1]);
	printf("mux_id = %d n",mux_id);
	unsigned int mux_number = atoi(argv[2]);
	printf("mux_number = %d n",mux_number);
	
switch (mux_id)
		{
		case 1000:
			switch (mux_number)
				{
				case 1:
					printf("1000_1n");
					break;
				case 2:
					printf("1000_2n");
					break;
				default:
				   printf("1000_othersn");
				}  
		break;		
	
		case 2000:
			switch (mux_number)
				{
				case 2:
					printf("2000_2n");
					break;
				case 3:
					printf("2000_3n");
					break;
				default:
				   printf("2000_othersn");
				}  
				   
		break;
			
		case 3000:
			switch (mux_number)
				{
				case 3:
					printf("3000_3n");
					break;
				case 4:
					printf("3000_4n");
					break;
				default:
				   printf("3000_othersn");
				}  
		break;
	
		case 4000:
			switch (mux_number)
				{
				case 4:
					printf("4000_4n");
					break;
				case 5:
					printf("4000_5n");
					break;
				default:
				   printf("4000_othersn");
				}  
	
		break;
			
		case 5000:
			switch (mux_number)
				{
				case 5:
					printf("5000_5n");
					break;
				case 6:
					printf("5000_6n");
					break;
				default:
				   printf("5000_othersn");
				}  
		break;
		
		case 6000:
			switch (mux_number)
				{
				case 6:
					printf("6000_6n");
					break;
				case 7:
					printf("6000_7n");
					break;
				default:
				   printf("6000_othersn");
				}  
		break;
			
		case 7000:
			switch (mux_number)
				{
				case 7:
					printf("7000_7n");
					break;
				case 8:
					printf("7000_8n");
					break;
				default:
				   printf("7000_othersn");
				}  
		break;
			

		case 8000:
			switch (mux_number)
				{
				case 8:
					printf("8000_8n");
					break;
				case 9:
					printf("8000_9n");
					break;
				default:
				   printf("8000_othersn");
				}  
			break;
			
		default:
			printf("others in the end!n");
		}
return 0;
}