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Annotation of 43BSDTahoe/usr.lib/libU77/getarg_.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:  *     @(#)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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