HelenOS sources

strtoull          104 common/include/stdlib.h extern unsigned long long strtoull(const char *__restrict__, char **__restrict__, int);
strtoull          104 kernel/generic/common/include/stdlib.h extern unsigned long long strtoull(const char *__restrict__, char **__restrict__, int);
strtoull          104 uspace/lib/c/common/include/stdlib.h extern unsigned long long strtoull(const char *__restrict__, char **__restrict__, int);
strtoull          310 uspace/lib/cpp/include/__bits/locale/num_get.hpp                         res = ::strtoull(base.buffer_, &endptr, num_base);
strtoull          104 uspace/lib/posix/include/common/stdlib.h extern unsigned long long strtoull(const char *__restrict__, char **__restrict__, int);