HelenOS sources

strtoll           300 common/strtol.c long long strtoll(const char *nptr, char **endptr, int base)
strtoll           300 kernel/generic/common/strtol.c long long strtoll(const char *nptr, char **endptr, int base)
strtoll           300 uspace/lib/c/common/strtol.c long long strtoll(const char *nptr, char **endptr, int base)
HelenOS homepage, sources at GitHub