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  1. #include <stdio.h>
  2. #include <stdbool.h>
  3. #include <errno.h>
  4.  
  5. static bool parse(const char *str) {
  6. 	if (!str) {
  7. 		errno = EINVAL;
  8. 		return false;
  9. 	}
  10. 	return true;
  11. }
  12.  
  13. int main(void) {
  14. 	if (!parse(NULL)) {
  15. 		switch (errno) {
  16. 		case EINVAL: printf("不正な引数\n"); break;
  17. 		}
  18. 	}
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 9424KB
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Standard input is empty
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不正な引数
https://ideone.com/JeNdi9
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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