Find the n-th word of a string.
Find the n-th word of a string. A word is defined as one of the follows:
| Name | Type | Default | Description |
| Return | char* | 0-based n-th word of the given string, "" if no more words found. The resut will be overridden by a next call to the function! | |
| str | char* | - | string to search in |
| n | int | - | 0-based word index |
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