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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdlib.h>
  4.  
  5. #define SIZE 100
  6.  
  7. int main(void)
  8. {
  9.     char phoneNumber[SIZE];
  10.  
  11.     char areaCode[10] = "";
  12.     char firstPart[10] = "";
  13.     char lastPart[10] = "";
  14.  
  15.     char completeNumber[20] = "";
  16.  
  17.     printf("Enter a telephone number in the form ");
  18.     printf("(555) 555-5555:\n");
  19.  
  20.     fgets(phoneNumber, SIZE, stdin);
  21.  
  22.     char *tokenPtr = strtok(phoneNumber, " ()-\n");
  23.  
  24.     if (tokenPtr != NULL)
  25.     {
  26.         strcpy(areaCode, tokenPtr);
  27.     }
  28.  
  29.     tokenPtr = strtok(NULL, " ()-\n");
  30.  
  31.     if (tokenPtr != NULL)
  32.     {
  33.         strcpy(firstPart, tokenPtr);
  34.     }
  35.  
  36.     tokenPtr = strtok(NULL, " ()-\n");
  37.  
  38.     if (tokenPtr != NULL)
  39.     {
  40.         strcpy(lastPart, tokenPtr);
  41.     }
  42.  
  43.     strcat(completeNumber, firstPart);
  44.     strcat(completeNumber, lastPart);
  45.  
  46.     int areaCodeValue = atoi(areaCode);
  47.     long phoneNumberValue = atol(completeNumber);
  48.  
  49.     printf("\nArea code = %d\n", areaCodeValue);
  50.     printf("Phone number = %ld\n", phoneNumberValue);
  51.  
  52.     return 0;
  53. }
Success #stdin #stdout 0s 5332KB
comments (?)
stdin
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Standard input is empty
stdout
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Enter a telephone number in the form (555) 555-5555:

Area code = 0
Phone number = 0
https://ideone.com/c27hp7
language:
C (gcc 8.3)
created:
4 hours ago
visibility:
public

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