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Annotation of 43BSDReno/lib/libU77/getarg_.c, revision 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:  *     @(#)getarg_.c   5.1     6/7/85
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * return a specified command line argument
        !            11:  *
        !            12:  * calling sequence:
        !            13:  *     character*20 arg
        !            14:  *     call getarg(k, arg)
        !            15:  * where:
        !            16:  *     arg will receive the kth unix command argument
        !            17: */
        !            18: 
        !            19: getarg_(n, s, ls)
        !            20: long int *n;
        !            21: register char *s;
        !            22: long int ls;
        !            23: {
        !            24: extern int xargc;
        !            25: extern char **xargv;
        !            26: register char *t;
        !            27: register int i;
        !            28: 
        !            29: if(*n>=0 && *n<xargc)
        !            30:        t = xargv[*n];
        !            31: else
        !            32:        t = "";
        !            33: for(i = 0; i<ls && *t!='\0' ; ++i)
        !            34:        *s++ = *t++;
        !            35: for( ; i<ls ; ++i)
        !            36:        *s++ = ' ';
        !            37: }

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