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The URLs of the form `help://man/<section>/<page>` link to another help page inside the help application. All previous relative page links are replaced by this new form. This doesn't change any behavior but it looks much nicer :^) Note that man doesn't handle these new links, but the previous relative links didn't work either.
34 lines
848 B
Markdown
34 lines
848 B
Markdown
## Name
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getresuid, getresgid - get real, effective, and saved user / group ID
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## Synopsis
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```**c++
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#include <unistd.h>
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int getresuid(uid_t*, uid_t*, uid_t*);
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int getresgid(gid_t*, gid_t*, gid_t*);
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```
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## Description
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Returns the real, effective, and saved user or group ID.
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## Return value
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If the call was set successful, returns 0.
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Otherwise, returns -1 and sets `errno` to describe the error.
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## Errors
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* `EFAULT`: One of the passed pointers is not valid, writeable pointer in the current process.
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## See also
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* [`setuid_overview`(7)](help://man/7/setuid_overview)
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* [`geteuid`(2) / `getegid`(2)](help://man/2/geteuid)
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* [`getuid`(2) / `getgid`(2)](help://man/2/getuid)
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* [`seteuid`(2) / `setegid`(2)](help://man/2/seteuid)
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* [`setuid`(2) / `setgid`(2)](help://man/2/setuid)
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* [`setresuid`(2) / `setresgid`(2)](help://man/2/setresuid)
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