c program to Analyze comma-separated list of words

c program to Analyze comma-separated list of words

#include 
#include 

int main(void)
{
 char list[5000];       
 char words[500][20];   
 const char comma = ',';
 const char space = ' ';
 int word_count = 0;    
 int word_length = 0;   
 int index = 0;         

 printf("Enter a comma separated list of words:\n");
 gets(list);            

while(list[index] != '\0')
 {
   /* Skip over spaces and commas */
   while(list[index] == space || list[index] == comma)
     ++index;

   /* Copy characters that are not space, comma or \0 as part of a word */
   while(list[index] != space && list[index] != comma && list[index] != '\0')
    words[word_count][word_length++] = list[index++];

   words[word_count++][word_length] = '\0';
   word_length = 0;                        
 }

 /* List the words that were found */
 printf("\nThe words in the list are:\n");
 for(index = 0 ; index