ref: 355f73cb919d009d7527b5083ae8341f0ceea97d dir: /src/libscc/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; }