ladybird/Base/usr/share/man/man2/getresuid.md at ff25958b5110432afabf16d01ee2b61e39de5f37

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Name

getresuid, getresgid - get real, effective, and saved user / group ID

#include <unistd.h>

int getresuid(uid_t*, uid_t*, uid_t*);
int getresgid(gid_t*, gid_t*, gid_t*);

Returns the real, effective, and saved user or group ID.

If the call was set successful, returns 0. Otherwise, returns -1 and sets errno to describe the error.

EFAULT: One of the passed pointers is not valid, writeable pointer in the current process.