Special attention should be paid to the original string str after strtok segmentation processing, and becomes the first substring. To find the length of a dynamic string, you cannot use sizeof, you can use strlen()+1 - Code World

Special attention should be paid to the original string str after strtok segmentation processing, and becomes the first substring. To find the length of a dynamic string, you cannot use sizeof, you can use strlen()+1

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Special attention should be paid to the original string str after strtok segmentation processing, and becomes the first substring. To find the length of a dynamic string, you cannot use sizeof, you can use strlen()+1

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