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merror — tests the file access errors indicator
merror([fd])
| fd | : scalar. The fd parameter returned by the function mopen. -1 stands for last opened file. Default value is -1. |
The function merror is used to tests the file access errors indicator. returning non-zero if it is set. The error indicator can only be reset by the mclearerr function.
| << meof | mscanf >> |