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Annotation of 42BSD/usr.lib/libU77/getarg_.c, revision 1.1

1.1     ! root        1: /*
        !             2: char id_getarg[] = "@(#)getarg_.c      1.1";
        !             3:  *
        !             4:  * return a specified command line argument
        !             5:  *
        !             6:  * calling sequence:
        !             7:  *     character*20 arg
        !             8:  *     call getarg(k, arg)
        !             9:  * where:
        !            10:  *     arg will receive the kth unix command argument
        !            11: */
        !            12: 
        !            13: getarg_(n, s, ls)
        !            14: long int *n;
        !            15: register char *s;
        !            16: long int ls;
        !            17: {
        !            18: extern int xargc;
        !            19: extern char **xargv;
        !            20: register char *t;
        !            21: register int i;
        !            22: 
        !            23: if(*n>=0 && *n<xargc)
        !            24:        t = xargv[*n];
        !            25: else
        !            26:        t = "";
        !            27: for(i = 0; i<ls && *t!='\0' ; ++i)
        !            28:        *s++ = *t++;
        !            29: for( ; i<ls ; ++i)
        !            30:        *s++ = ' ';
        !            31: }

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