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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main(void) {
  5. 	const char *haystack = "foo";
  6. 	const char *needle = "";
  7. 	printf("%d\n", strstr(haystack, needle) - haystack);
  8. 	return 0;
  9. }
  10.  
Success #stdin #stdout 0s 5556KB
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https://ideone.com/X9jyaj
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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