usr/src/libc/sys/access.s

# @(#)access.s  4.1 (Berkeley) 12/21/80
# access(file, request)
#  test ability to access file in all indicated ways
#  1 - read
#  2 - write
#  4 - execute

        .set    access,33
.globl  _access

_access:
        .word   0x0000
        chmk    $access
        bcc     noerror
        jmp     cerror
noerror:
        ret