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30 lines
611 B
C
30 lines
611 B
C
#include <stdio.h>
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/*
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** Get command line argument.
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** Entry: n = Number of the argument.
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** s = Destination string pointer.
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** size = Size of destination string.
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** argc = Argument count from main().
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** argv = Argument vector(s) from main().
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** Returns number of characters moved on success,
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** else EOF.
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*/
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getarg(n,s,size,argc,argv)
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int n; char *s; int size,argc,argv[];
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{char *str;
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int i;
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if(n<0 | n>=argc)
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{*s=NULL;
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return EOF;
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}
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i=0;
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str=argv[n];
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while(i<size)
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{if((s[i]=str[i])==NULL) break;
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++i;
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}
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s[i]=NULL;
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return i;
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}
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