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NAME

getresgid - get real, effective and saved group ID

SYNOPSIS

#include <unistd.h>

int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid);

DESCRIPTION

getresgid(2) (both introduced in Linux 2.1.44) get the RealID, EffectiveID and saved user ID's (resp. group ID's) of the current process.

RETURN VALUE

On success, zero is returned. On error, -1 is returned, and errno is set appropriately.

ERRORS

EFAULT
One of the arguments specified an address outside the calling program's address space.

CONFORMING TO

This call is Linux-specific.

SEE ALSO

getuid(2), setuid(2), getreuid(2)?, setreuid(2), setresuid(2)

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