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What is return type of getchar(), fgetc() and getc() ?
  • Difficulty Level : Easy
  • Last Updated : 28 May, 2017

In C, return type of getchar(), fgetc() and getc() is int (not char). So it is recommended to assign the returned values of these functions to an integer type variable.

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char ch;  /* May cause problems */  
while ((ch = getchar()) != EOF) 
{
   putchar(ch);
}

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Here is a version that uses integer to compare the value of getchar().

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int in;  
while ((in = getchar()) != EOF) 
{
   putchar(in);
}

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See this for more details.

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