35 lines
851 B
C++
35 lines
851 B
C++
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// ex4.cpp: Default arguments and Pass-by-reference
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// from Chapter 6 of User's Guide
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#include <iostream.h>
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#include <ctype.h>
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int get_word(char *, int &, int start = 0);
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main()
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{
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int word_len;
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char *s = " These words will be printed one-per-line ";
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int word_idx = get_word(s,word_len); // line 13
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while (word_len > 0)
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{
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cout.write(s+word_idx, word_len);
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cout << "\n";
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//cout << form("%.*s\n",word_len,s+word_idx);
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word_idx = get_word(s,word_len,word_idx+word_len);
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}
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}
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int get_word(char *s, int& size, int start)
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{
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// Skip initial whitespace
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for (int i = start; isspace(s[i]); ++i);
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int start_of_word = i;
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// Traverse word
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while (s[i] != '\0' && !isspace(s[i]))
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++i;
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size = i - start_of_word;
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return start_of_word;
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}
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