HelenOS sources

str_casecmp      1010 common/str.c   int str_casecmp(const char *s1, const char *s2)
str_casecmp      1010 kernel/generic/common/str.c int str_casecmp(const char *s1, const char *s2)
str_casecmp      1010 uspace/lib/c/common/str.c int str_casecmp(const char *s1, const char *s2)