sscanf高级用法

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// "add 192.168.3.3/24"
	iRet = sscanf(argv[1], "%3[a-l] %[0-9.]/%2u", buf1, buf2, &aui[0]);
	printf("iRet = %d, %s, %s, %d\n", iRet, buf1, buf2, aui[0]);
	iRet = sscanf(argv[1], "%*[^ ] %[^/]", buf1);
	printf("iRet = %d, %s\n", iRet, buf1);

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	 >>a "add  192.168.3.3/24"
        iRet = 3, add, 192.168.3.3, 24
        iRet = 1, 192.168.3.3

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