32 lines
469 B
C
32 lines
469 B
C
#include <stdio.h>
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#include <fcntl.h>
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int main(int argc, char **argv)
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{
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int fin, comment, charpos;
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char c;
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if (argc > 1)
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{
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fin = open(argv[1], O_RDONLY, 0);
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}
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else
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fin = 0;
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comment = charpos = 0;
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while (read(fin, &c, 1) == 1)
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{
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c &= 0x7f;
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if ((charpos++ == 0 && c == '*') || c == ';')
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comment = 1;
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if (c == '\r')
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{
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comment = charpos = 0;
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c = '\n';
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}
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if (c == ' ' && !comment)
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c = '\t';
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putc(c & 0x7f, stdout);
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}
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return (0);
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}
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