HelenOS sources

strtoull          309 common/strtol.c unsigned long long strtoull(const char *nptr, char **endptr, int base)
strtoull          309 kernel/generic/common/strtol.c unsigned long long strtoull(const char *nptr, char **endptr, int base)
strtoull          309 uspace/lib/c/common/strtol.c unsigned long long strtoull(const char *nptr, char **endptr, int base)