Linux Standard Base Specification 1.3
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strerror_r

Name

strerror_r -- reentrant version of strerror

Synopsis

#include <string.h>

extern char *strerror_r(int errnum, char *buf, size_t buflen);

Description

strerror_r is a reentrant version of strerror. strerror_r returns a pointer to an error message corresponding to error number errnum. The returned pointer may point within the buffer buf (at most buflen bytes). [1]

Notes

[1]

Note the optional use of the buffer, unlike the strerror_r found in the Single UNIX Specification, Version 3, in which the message is always copied into the supplied buffer. The return types also differ.

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