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Annotation of 41BSD/libc/sys/fork.s, revision 1.1

1.1     ! root        1: # C library -- fork
        !             2: 
        !             3: # pid = fork();
        !             4: #
        !             5: # r1 == 0 in parent process, r1 == 1 in child process.
        !             6: # r0 == pid of child in parent, r0 == pid of parent in child.
        !             7: 
        !             8:        .set    fork,2
        !             9: .globl _fork
        !            10: 
        !            11: _fork:
        !            12:        .word   0x0000
        !            13:        chmk    $fork
        !            14:        bcc             forkok
        !            15:        jmp             cerror
        !            16: forkok:
        !            17:        jlbc    r1,parent
        !            18:        clrl    r0              # signify child
        !            19: parent:
        !            20:        ret

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