ref: c809e59d972aead305d59b23e4d1d156c1ebd2a6
dir: /src/libscc/casecmp.c/
static char sccsid[] = "@(#) ./lib/scc/casecmp.c"; #include <ctype.h> #include <scc/scc.h> int casecmp(const char *s1, const char *s2) { while (*s1 && toupper(*s1) == toupper(*s2)) ++s1, ++s2; return *s1 - *s2; }