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  1. #include <iostream>
  2. #include <stdlib.h>
  3.  
  4. int main()
  5. {
  6. 	const char s[] = "32tgf";
  7. 	char* p;
  8.     long converted = strtol(s, &p, 10);
  9.     if (*p) {
  10.         std::cout << "Not a number\n";
  11.     }
  12.     else {
  13.         std::cout << "Ok.\n";
  14.     }
  15. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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Not a number
https://ideone.com/wZ1fuF
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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