mkdir munmap putenv realpath rmdir socket strchr strcspn strdup \
strncasecmp strndup strnlen strpbrk strrchr strstr strtol strtoul \
strtoull dirfd gethostbyname2 getipnodebyname epoll_create1 \
- sched_getcpu sysconf sync_file_range getrandom
+ sched_getcpu sysconf sync_file_range getrandom flock
])
# Check if clock_gettime, timer_create, timer_settime, and timer_delete are available in lib rt, and if so,