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			34 lines
		
	
	
	
		
			796 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
	
		
			796 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ## Name
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| 
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| getresuid, getresgid - get real, effective, and saved user / group ID
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| 
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| ## Synopsis
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| 
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| ```**c++
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| #include <unistd.h>
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| 
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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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| 
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| ## Description
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| Returns the real, effective, and saved user or group ID.
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| 
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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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| 
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| ## Errors
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| 
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| * `EFAULT`: One of the passed pointers is not valid, writeable pointer in the current process.
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| 
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| ## See also
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| 
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| * [`setuid_overview`(7)](../man7/setuid_overview.md)
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| * [`geteuid`(2) / `getegid`(2)](geteuid.md)
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| * [`getuid`(2) / `getgid`(2)](getuid.md)
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| * [`seteuid`(2) / `setegid`(2)](seteuid.md)
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| * [`setuid`(2) / `setgid`(2)](setuid.md)
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| * [`setresuid`(2) / `setresgid`(2)](setresuid.md)
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