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  1. #include<stdio.h>
  2. #include<ctype.h>
  3. int main()
  4. {
  5.     char c;
  6.     printf("enter a character\n");
  7.     scanf("%c",&c);
  8.     int i;
  9.     i=isalpha(c);
  10.     if(i==1)
  11.     printf("entered character is an alphabet\n");
  12.     else
  13.     printf("entered character is not an alphabet %d\n", i);
  14.     return 0;
  15. }
Success #stdin #stdout 0s 2296KB
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stdin
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c
stdout
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enter a character
entered character is not an alphabet 1024
https://ideone.com/VYBcJF
language:
C99 (gcc 8.3)
created:
10 years ago
visibility:
public

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