30 lines
1007 B
C
30 lines
1007 B
C
#ifndef WORD_COUNT_H
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#include <stdbool.h>
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#define WORD_COUNT_H
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#define MAX_WORDS 20 // at most MAX_WORDS can be found in the test input string
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#define MAX_WORD_LENGTH 50 // no individual word can exceed this length
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// results structure
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typedef struct word_count_word {
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char text[MAX_WORD_LENGTH + 1]; // allow for the string to be null-terminated
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int count;
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} word_count_word_t;
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#define EXCESSIVE_LENGTH_WORD -1
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#define EXCESSIVE_NUMBER_OF_WORDS -2
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// word_count - routine to classify the unique words and their frequency in a test input string
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// inputs:
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// input_text = a null-terminated string containing that is analyzed
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//
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// outputs:
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// words = allocated structure to record the words found and their frequency
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// uniqueWords - number of words in the words structure
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// returns a negative number if an error.
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// words will contain the results up to that point.
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int word_count(const char *input_text, word_count_word_t *words);
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#endif
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