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Annotation of 42BSD/usr.lib/libU77/fork_.c, revision 1.1.1.1

1.1       root        1: /*
                      2: char id_fork[] = "@(#)fork_.c  1.1";
                      3:  *
                      4:  * fork a copy of this process
                      5:  *
                      6:  * calling sequence:
                      7:  *     integer fork
                      8:  *     ierror = fork()
                      9:  * where:
                     10:  *     ierror will be  - child pid if parent and successful
                     11:  *                     - 0 if child
                     12:  *                     - -errno if unsuccessful
                     13:  */
                     14: 
                     15: #include       "../libI77/fiodefs.h"
                     16: 
                     17: extern int errno;
                     18: 
                     19: long fork_()
                     20: {
                     21:        long i;
                     22: 
                     23:        for (i = 0; i < MXUNIT; i++)
                     24:                flush_(&i);
                     25:        i = (long)fork();
                     26:        if (i < 0)
                     27:                return((long)(-errno));
                     28:        return(i);
                     29: }

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