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  1. #include <stdio.h>
  2.  
  3. int add_values (int number1, int number2)    /* two parameters, number1 and number 2 */
  4.  
  5. {     /* start of function body */
  6.  
  7.     int result;  /* local variable to hold add result */
  8.  
  9.     result = number1 + number2;
  10.  
  11.     return (result);   /* the value contained in result is returned to the calling function, in this case, main */
  12.  
  13. }     /* end of function body */
  14.  
  15. int main ( )
  16. {
  17.  
  18.     int value1;    /* local variable */
  19.     int value2;    /* another local variable */
  20.     int answer;    /* and yet another local variable */
  21.  
  22.     printf ("\n Enter an integer value: ");
  23.     scanf ("%i", &value1);
  24.  
  25.     printf ("\n Enter another integer value: ");
  26.     scanf ("%i", &value2);
  27.  
  28.     answer = add_values (value1, value2);   /* pass two arguments, value1 and value2, to add_values */
  29.  
  30.     printf ("\n Adding %i to %i equals %i", value1, value2, answer);
  31.  
  32.     return (0);
  33.  
  34. }
Success #stdin #stdout 0s 5292KB
comments (?)
stdin
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6
15
stdout
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 Enter an integer value: 
 Enter another integer value: 
 Adding 6 to 15 equals 21
https://ideone.com/u1r5xI
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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