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  1. #include <stdio.h>
  2.  
  3. int strlen(char *s){
  4. 	char *p = s;
  5. 	while(*p != '\0') p++;
  6. 	return p - s;
  7. }
  8.  
  9. void strcpy(char *s, char *t){
  10. 	while(*s++ = *t++)
  11. 		;
  12. }
  13.  
  14. int strcmp(char *s, char *t){
  15. 	while(*s == *t){
  16. 		printf("%c, %c\n", *s, *t);
  17. 		if(*s == '\0')
  18. 			return 0;
  19. 		++s;
  20. 		++t;
  21. 	}
  22. 	return *s - *t;
  23. }
  24.  
  25. int main(){
  26. 	int p;
  27. 	char s[5] = "hooy";
  28. 	char t[5];
  29. 	char *r = "hooz";
  30.  
  31. 	printf("%d\n", strcmp(s, r));
  32.  
  33. 	scanf("%d", &p);
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 3416KB
comments (?)
stdin
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Standard input is empty
stdout
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h, h
o, o
o, o
-1
https://ideone.com/YPmvYF
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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