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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5. 	char msg[] = "hogefuga";
  6. 	char *p, *e;
  7.  
  8. 	p = e = msg;
  9.  
  10. 	printf("%s\n", msg);
  11.  
  12. 	while (*++e) ;
  13. 	e--;
  14.  
  15. 	while (p < e) {
  16. 		char tmp = *p;
  17. 		*p++ = *e;
  18. 		*e-- = tmp;
  19. 	}
  20.  
  21. 	printf("%s\n", msg);
  22.  
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 1720KB
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stdin
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Standard input is empty
stdout
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hogefuga
agufegoh
https://ideone.com/510cg
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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