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- GETGID(2) UNIX Programmer's Manual GETGID(2)
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- NNAAMMEE
- ggeettggiidd, ggeetteeggiidd - get group process identification
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- SSYYNNOOPPSSIISS
- ##iinncclluuddee <<ssyyss//ttyyppeess..hh>>
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- _g_i_d___t
- ggeettggiidd(_v_o_i_d)
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- _g_i_d___t
- ggeetteeggiidd(_v_o_i_d)
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- DDEESSCCRRIIPPTTIIOONN
- The ggeettggiidd() function returns the real group ID of the calling process,
- ggeetteeggiidd() returns the effective group ID of the calling process.
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- The real group ID is specified at login time.
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- The real group ID is the group of the user who invoked the program. As
- the effective group ID gives the process additional permissions during
- the execution of ``_s_e_t__g_r_o_u_p__I_D'' mode processes, ggeettggiidd() is used to de
- termine the realuserid of the calling process.
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- EERRRROORRSS
- The ggeettggiidd() and ggeetteeggiidd() functions are always successful, and no return
- value is reserved to indicate an error.
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- SSEEEE AALLSSOO
- getuid(2), setregid(2), setgid(3)
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- SSTTAANNDDAARRDDSS
- GGeettggiidd() and ggeetteeggiidd() conform to IEEE Std 1003.11988 (``POSIX'').
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- 4.2 Berkeley Distribution March 10, 1991 1
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