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Annotation of 41BSD/libc/sys/fork.s, revision 1.1.1.1

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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