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/* public domain rewrite of strcasecmp(3) */ #include <ctype.h> int strcasecmp(p1, p2) char *p1, *p2; { while (*p1 && *p2) { if (toupper(*p1) != toupper(*p2)) return toupper(*p1) - toupper(*p2); p1++; p2++; } return strlen(p1) - strlen(p2); }