setuid
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:title: Shellcode Compiler Runtime

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int setuid(gid_t id);
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Sets the real user ID of the current process to `id`.  Returns zero on success, or the negation of the error code on error.

See also
--------
link:geteuid.html[geteuid],
link:getuid.html[getuid],
link:seteuid.html[seteuid],
link:setreuid.html[setreuid]