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Annotation of 43BSDTahoe/usr.lib/libU77/fork_.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)fork_.c     5.1     6/7/85
                      7:  */
                      8: 
                      9: /*
                     10:  * fork a copy of this process
                     11:  *
                     12:  * calling sequence:
                     13:  *     integer fork
                     14:  *     ierror = fork()
                     15:  * where:
                     16:  *     ierror will be  - child pid if parent and successful
                     17:  *                     - 0 if child
                     18:  *                     - -errno if unsuccessful
                     19:  */
                     20: 
                     21: #include       "../libI77/fiodefs.h"
                     22: 
                     23: extern int errno;
                     24: 
                     25: long fork_()
                     26: {
                     27:        long i;
                     28: 
                     29:        for (i = 0; i < MXUNIT; i++)
                     30:                flush_(&i);
                     31:        i = (long)fork();
                     32:        if (i < 0)
                     33:                return((long)(-errno));
                     34:        return(i);
                     35: }

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