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# posix_get_last_error

(PHP 4 >= 4.2.0, PHP 5)

posix_get_last_error -- Retrieve the error number set by the last posix function that failed

## 说明

int posix_get_last_error ( void )

Retrieve the error number set by the last posix function that failed. If you're wanting the system error message associated with the errno, use posix_strerror().

## 返回值

Returns the errno (error number) set by the last posix function that failed. If no errors exist, 0 is returned.

## 参见

posix_strerror()

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