usr/src/libc/sys/getgid.s

# C library -- getgid

# gid = getgid();
#

        .set    getgid,47
.globl  _getgid

_getgid:
        .word   0x0000
        chmk    $getgid
        ret

# C library -- getegid

# gid = getegid();
# returns effective gid

.globl  _getegid

_getegid:
        .word   0x0000
        chmk    $getgid
        movl    r1,r0
        ret