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G-Fact 6

  • Difficulty Level : Medium
  • Last Updated : 22 Mar, 2017

The C standard C99 allows inline functions and variable-length-arrays. So following functions are valid in C99 compliant compilers.

Example for inline functions

inline int max(int a, int b)
  if (a > b)
    return a;
    return b;
a = max (x, y); 
  This is now equivalent to 
  if (x > y)
    a = x;
    a = y;

Example for variable length arrays

float read_and_process(int n)
    float   vals[n];
    for (int i = 0; i < n; i++)
        vals[i] = read_val();
    return process(vals, n);


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