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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define SIZE 300
  5.  
  6. int main(void)
  7. {
  8.     char text[SIZE];
  9.     char searchString[SIZE];
  10.  
  11.     int totalOccurrences = 0;
  12.  
  13.     printf("Enter a line of text:\n");
  14.     fgets(text, SIZE, stdin);
  15.  
  16.     printf("Enter the search string:\n");
  17.     fgets(searchString, SIZE, stdin);
  18.  
  19.     text[strcspn(text, "\n")] = '\0';
  20.     searchString[strcspn(searchString, "\n")] = '\0';
  21.  
  22.     char *searchPtr = text;
  23.  
  24.     while ((searchPtr =
  25.             strstr(searchPtr, searchString)) != NULL)
  26.     {
  27.         ++totalOccurrences;
  28.  
  29.         searchPtr += 1;
  30.     }
  31.  
  32.     printf("\nThe search string occurred %d times.\n",
  33.            totalOccurrences);
  34.  
  35.     return 0;
  36. }
Success #stdin #stdout 0s 5340KB
comments (?)
stdin
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Standard input is empty
stdout
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Enter a line of text:
Enter the search string:

The search string occurred 0 times.
https://ideone.com/iNjzXG
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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