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      1 /*	$NetBSD: strcasecmp.c,v 1.3 2019/08/13 08:48:07 christos Exp $	*/
      2 
      3 /*
      4  * Written by Martin Husemann <martin (at) NetBSD.org>
      5  * Public domain.
      6  */
      7 
      8 #include <strings.h>
      9 
     10 /*
     11  * Simple strcasecmp, try to avoid pulling in real locales
     12  */
     13 int
     14 strcasecmp(const char *s1, const char *s2)
     15 {
     16 	unsigned char c1, c2;
     17 
     18 	do {
     19 		c1 = *s1++;
     20 		c2 = *s2++;
     21 		if (c1 >= 'A' && c1 <= 'Z')
     22 			c1 += 'a' - 'A';
     23 		if (c2 >= 'A' && c2 <= 'Z')
     24 			c2 += 'a' - 'A';
     25 	} while (c1 == c2 && c1 != 0 && c2 != 0);
     26 
     27 	return ((c1 == c2) ? 0 : ((c1 > c2) ? 1 : -1));
     28 }
     29