check_function_exists(getnameinfo HAS_GETNAMEINFO)

check_function_exists(fcntl HAS_FCNTL)

check_function_exists(inet_pton HAS_INET_PTON)

CHECK_FUNCTION_EXISTS(getdomainname HAVE_GETDOMAINNAME)

check_function_exists(mkstemp ALLEGRO_HAVE_MKSTEMP)

check_function_exists(sched_yield ALLEGRO_HAVE_SCHED_YIELD)

check_function_exists(ftello ALLEGRO_HAVE_FTELLO)

check_function_exists(_fseeki64 ALLEGRO_HAVE_FSEEKI64)

check_function_exists(${func} ${func_var})

CHECK_FUNCTION_EXISTS("connect" CMAKE_HAVE_CONNECT)

check_function_exists(
    EC_GF2m_simple_method
    HAVE_OPENSSL_EC2M)

check_function_exists(clock_nanosleep HAVE_CLOCK_NANOSLEEP)

# 'check_function_exists()' detections (possibly more), by detecting

check_function_exists("poll"          HAVE_POLL)  # poll.h

check_function_exists("utimes"        HAVE_UTIMES)

check_function_exists("setlocale"       HAVE_SETLOCALE)

check_function_exists("setrlimit"       HAVE_SETRLIMIT)

check_function_exists("mach_absolute_time" HAVE_MACH_ABSOLUTE_TIME)

check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS)

CHECK_FUNCTION_EXISTS(XParseGeometry   HAVE_XPARSEGEOMETRY)

check_function_exists(getpwuid_r WINPR_HAVE_GETPWUID_R)

check_function_exists(sigaction HAVE_SIGACTION)

check_function_exists(ftell64 HAVE_FTELL64)

check_function_exists(fseeko64 HAVE_FSEEKO64)

check_function_exists(ftello HAVE_FTELLO)

check_function_exists(JxlEncoderInitExtraChannelInfo HAVE_JxlEncoderInitExtraChannelInfo)

check_function_exists(JxlEncoderSetFrameDistance HAVE_JxlEncoderSetFrameDistance)

CHECK_FUNCTION_EXISTS (const             HAVE_CONST)

CHECK_FUNCTION_EXISTS (vasprintf         ${HDF_PREFIX}_HAVE_VASPRINTF)

check_function_exists (fseeko HAVE_FSEEKO)

#CHECK_FUNCTION_EXISTS(strncasecmp GDCM_HAVE_STRNCASECMP)

CHECK_FUNCTION_EXISTS(strptime    GDCM_HAVE_STRPTIME)

CHECK_FUNCTION_EXISTS (gettextinfo       ${HDF_PREFIX}_HAVE_GETTEXTINFO)

CHECK_FUNCTION_EXISTS (alarm             ${HDF_PREFIX}_HAVE_ALARM)

CHECK_FUNCTION_EXISTS (fcntl             ${HDF_PREFIX}_HAVE_FCNTL)

CHECK_FUNCTION_EXISTS (symlink           ${HDF_PREFIX}_HAVE_SYMLINK)

CHECK_FUNCTION_EXISTS (waitpid           ${HDF_PREFIX}_HAVE_WAITPID)

CHECK_FUNCTION_EXISTS(tempnam  HAVE_TEMPNAM)

CHECK_FUNCTION_EXISTS(strdup   HAVE_STRDUP)

check_function_exists(strlcat HAVE_STRLCAT)

check_function_exists(strnlen HAVE_STRNLEN)

check_function_exists(timegm HAVE_TIMEGM)

check_function_exists(getprogname HAVE_GETPROGNAME)

check_function_exists(ldexp LDEXP_AVAILABLE)

CHECK_FUNCTION_EXISTS(sin SIN_FUNCTION_EXISTS)

check_function_exists(
  _access
  HAVE__ACCESS
) #Windows <io.h>

check_function_exists(
  _snprintf
  HAVE__SNPRINTF
) #Windows <stdio.h>

check_function_exists(
  _stricmp
  HAVE__STRICMP
) #Windows <string.h>

check_function_exists(
  fork
  HAVE_FORK
) #Unix <unistd.h>

check_function_exists(
  localtime_r
  HAVE_LOCALTIME_R
) #Unix <time.h>

check_function_exists(
  fstat
  HAVE_FSTAT
) #Unix <sys/stat.h>,<sys/types.h>,<unistd.h>

check_function_exists(dgettext LIBINTL_LIBC_HAS_DGETTEXT)

check_function_exists(fseeko HAVE_FSEEKO)

check_function_exists(posix_fadvise HAVE_POSIX_FADVISE)

check_function_exists(sched_yield HAVE_SCHED_YIELD)

check_function_exists ( fseeko HAVE_FSEEKO )

check_function_exists (fstat     		HAVE_FSTAT)

check_function_exists (lrintf			HAVE_LRINTF)

check_function_exists (ftruncate	HAVE_FTRUNCATE)

check_function_exists (pipe			HAVE_PIPE)

# check_function_exists (getpagesize	HAVE_GETPAGESIZE)

# check_function_exists (realloc		HAVE_REALLOC)

# check_function_exists (vsnprintf		HAVE_VSNPRINTF)

check_function_exists(memcpy HAVE_MEMCPY)

check_function_exists(bcopy HAVE_BCOPY)

check_function_exists(mmap            LIBVNCSERVER_HAVE_MMAP)

check_function_exists(select          LIBVNCSERVER_HAVE_SELECT)

CHECK_FUNCTION_EXISTS(dlopen LUA_USE_DLOPEN)

check_function_exists("strlen"  HAVE_STRLEN)

check_function_exists(setenv HAVE_SETENV)

check_function_exists(sigvec HAVE_SIGVEC)

check_function_exists(utime HAVE_UTIME)

check_function_exists(_Exit     HAVE__EXIT)

CHECK_FUNCTION_EXISTS(${GETOPT} GETOPT_FOUND)

check_function_exists(mmap       HAVE_MMAP)

check_function_exists(strcasecmp HAVE_STRCASECMP)

check_function_exists(strchr     HAVE_STRCHR)

check_function_exists(strrchr    HAVE_STRRCHR)

CHECK_FUNCTION_EXISTS(getopt HAVE_GETOPT)

CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)

CHECK_FUNCTION_EXISTS(strchr HAVE_STRCHR)

CHECK_FUNCTION_EXISTS(fseeko HAVE_FSEEKO)

CHECK_FUNCTION_EXISTS(pthread_yield HAVE_PTHREAD_YIELD)

check_function_exists("openblas_set_num_threads" OPENTURNS_HAVE_OPENBLAS_SET_NUM_THREADS)

check_function_exists(rand_r PARSEC_HAVE_RAND_R)

check_function_exists(getrusage PARSEC_HAVE_GETRUSAGE)

check_function_exists(MPI_Comm_set_info PARSEC_HAVE_MPI_30)

check_function_exists(shm_open PARSEC_HAVE_SHM_OPEN)

check_function_exists(memmem HAVE_MEMMEM)

check_function_exists(clock_gettime CLOCK_GETTIME_EXISTS)

check_function_exists(nl_langinfo HAVE_LANGINFO_CODESET)

CHECK_FUNCTION_EXISTS(gmtime_r VMIME_HAVE_GMTIME_R)

check_function_exists(${_function} ${_variable}_value)

check_function_exists("getaddrinfo" HAVE_GETADDRINFO)

check_function_exists("gettimeofday" HAVE_GETTIMEOFDAY)

check_function_exists("gmtime_r" HAVE_GMTIME_R)

check_function_exists("memset" HAVE_MEMSET)

CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)

check_function_exists ( strcasecmp ZZIP_HAVE_STRCASECMP )

check_function_exists ( pread ZZIP_HAVE_PREAD )