4.3BSD-UWisc/man/cat2/getuid.2

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GETUID(2)           UNIX Programmer's Manual            GETUID(2)



NAME
     getuid, geteuid - get user identity

SYNOPSIS
     #include <sys/types.h>

     uid = getuid()
     uid_t uid;

     euid = geteuid()
     uid_t euid;

DESCRIPTION
     _G_e_t_u_i_d returns the real user ID of the current process,
     _g_e_t_e_u_i_d the effective user ID.

     The real user ID identifies the person who is logged in.
     The effective user ID gives the process additional permis-
     sions during execution of "set-user-ID" mode processes,
     which use _g_e_t_u_i_d to determine the real-user-id of the pro-
     cess that invoked them.

SEE ALSO
     getgid(2), setreuid(2)































Printed 12/27/86         January 7, 1986                        1