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  1. #include <stdio.h>
  2. #include <ctype.h>
  3. #include <assert.h>
  4.  
  5. int main(void) {
  6. 	char null = '\0';
  7. 	assert (isalpha(null) || isdigit(null));
  8. 	return 0;
  9. }
Runtime error #stdin #stdout #stderr 0s 2140KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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prog: prog.c:7: main: Assertion `((*__ctype_b_loc ())[(int) ((null))] & (unsigned short int) _ISalpha) || ((*__ctype_b_loc ())[(int) ((null))] & (unsigned short int) _ISdigit)' failed.
https://ideone.com/j13GoI
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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