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Diffstat (limited to 'manual/errno.texi')
| -rw-r--r-- | manual/errno.texi | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/manual/errno.texi b/manual/errno.texi index 8cb4ce8b48..1834339220 100644 --- a/manual/errno.texi +++ b/manual/errno.texi @@ -1207,6 +1207,29 @@ to @code{errno}. The function @code{perror} is declared in @file{stdio.h}. @end deftypefun +@deftypefun void strerrorname_np (int @var{errnum}) +@standards{GNU, string.h} +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +This function returns the name describing the error @var{errnum} or +@code{NULL} if there is no known constant with this value (e.g "EINVAL" +for @code{EINVAL}). + +@pindex string.h +This function is a GNU extension, declared in the header file @file{string.h}. +@end deftypefun + +@deftypefun void strerrordesc_np (int @var{errnum}) +@standards{GNU, string.h} +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +This function returns the message describing the error @var{errnum} or +@code{NULL} if there is no known constant with this value (e.g "Invalid +argument" for @code{EINVAL}). Different than @code{strerror} the returned +description is not translated. + +@pindex string.h +This function is a GNU extension, declared in the header file @file{string.h}. +@end deftypefun + @code{strerror} and @code{perror} produce the exact same message for any given error code; the precise text varies from system to system. With @theglibc{}, the messages are fairly short; there are no multi-line |