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  1. #include <ctype.h>
  2. #include <stdio.h>
  3. #include <string.h>
  4.  
  5. int strincmp(char const* s1, char const* s2, int n)
  6. {
  7.     /* case insensitive comparison */
  8.     int d;
  9.     while (--n >= 0) {
  10.       d = (tolower(*s1) - tolower(*s2));
  11.       if ( d != 0 || *s1 == '\0' || *s2 == '\0' )
  12.         return d;
  13.       ++s1;
  14.       ++s2;
  15.     }
  16.     return(0);
  17. }
  18.  
  19. int main()
  20. {
  21.     printf( "%i\n", strincmp("cdefg", "CD", 2) );
  22.     printf( "%i\n", strincmp("cd", "CDe", 2) );
  23.     printf( "%i\n", strincmp("cd", "cde", 2) );
  24. }
Success #stdin #stdout 0s 3456KB
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https://ideone.com/0uNLeN
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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