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The nm command identifies weak symbols in object files, libraries, and executables. On Linux a weak function symbol is marked with "W" if a weak default definition is available, and with "w" if it is not.
Since that reference is undefined, the message. The named reference $1 was invoked but never defined (see the help page). displays for both references. This can be very confusing, as the order of references in the list may not match the order used in the content. If {} is used and the |refs= parameter is missing or malformed. If a named ...
The named reference "$1" was defined multiple times with different content (see the help page). A list-defined reference with the name "$1" has been invoked, but is not defined in the <references> tag (see the help page). A <ref follow="…"> tag that is the continuation of a previous one can neither be named individually nor extended; Cite ...
Use the undefined or the null expression as a complete statement (an expression statement) when the previous methods are not allowed by the syntax. Alternatives, in situations where a function is required, are: Use the Function.prototype() built-in function, that accepts any arguments and returns undefined; [15]
Dereferencing any of these variables could cause a segmentation fault: dereferencing the null pointer generally will cause a segfault, while reading from the wild pointer may instead result in random data but no segfault, and reading from the dangling pointer may result in valid data for a while, and then random data as it is overwritten.
If the memory has been reallocated to another process, then attempting to dereference the dangling pointer can cause segmentation faults (UNIX, Linux) or general protection faults (Windows). If the program has sufficient privileges to allow it to overwrite the bookkeeping data used by the kernel's memory allocator, the corruption can cause ...
The Basic Status Codes have been in SMTP from the beginning, with RFC 821 in 1982, but were extended rather extensively, and haphazardly so that by 2003 RFC 3463 rather grumpily noted that: "SMTP suffers some scars from history, most notably the unfortunate damage to the reply code extension mechanism by uncontrolled use.
HRESULT is defined in a system header file as a 32-bit, signed integer [1] and is often treated opaquely as an integer, especially in code that consumes a function that returns HRESULT.