bad.log

$ DYLD_PRINT_LIBRARIES_POST_LAUNCH=1 ./simple apple.com
dyld: loaded: /usr/lib/libnetwork.dylib
dyld: loaded: /usr/lib/libpcap.A.dylib
dyld: loaded: /usr/lib/libcoretls.dylib
dyld: loaded: /usr/lib/libcoretls_cfhelpers.dylib
dyld: loaded: /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
dyld: loaded: /System/Library/Frameworks/Security.framework/Versions/A/Security
dyld: loaded: /usr/lib/libapple_nghttp2.dylib
dyld: loaded: /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
dyld: loaded: /System/Library/PrivateFrameworks/AppleFSCompression.framework/Versions/A/AppleFSCompression
dyld: loaded: /usr/lib/libDiagnosticMessagesClient.dylib
dyld: loaded: /usr/lib/libOpenScriptingUtil.dylib
dyld: loaded: /usr/lib/libauto.dylib
dyld: loaded: /usr/lib/libbsm.0.dylib
dyld: loaded: /usr/lib/libpam.2.dylib
dyld: loaded: /usr/lib/libsqlite3.dylib
dyld: loaded: /usr/lib/libxar.1.dylib
dyld: loaded: /usr/lib/libz.1.dylib
dyld: loaded: /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
dyld: loaded: /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
dyld: loaded: /usr/lib/libarchive.2.dylib
dyld: loaded: /usr/lib/libicucore.A.dylib
dyld: loaded: /usr/lib/libxml2.2.dylib
dyld: loaded: /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
dyld: loaded: /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
dyld: loaded: /usr/lib/liblangid.dylib
dyld: loaded: /usr/lib/libCRFSuite.dylib
dyld: loaded: /usr/lib/libenergytrace.dylib
dyld: loaded: /usr/lib/system/libkxld.dylib
dyld: loaded: /usr/lib/libbz2.1.0.dylib
dyld: loaded: /usr/lib/liblzma.5.dylib
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/FSEvents.framework/Versions/A/FSEvents
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SharedFileList.framework/Versions/A/SharedFileList
dyld: loaded: /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
dyld: loaded: /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
dyld: loaded: /System/Library/PrivateFrameworks/login.framework/Versions/A/Frameworks/loginsupport.framework/Versions/A/loginsupport
dyld: loaded: /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC
dyld: loaded: /System/Library/PrivateFrameworks/CoreNLP.framework/Versions/A/CoreNLP
dyld: loaded: /System/Library/PrivateFrameworks/MetadataUtilities.framework/Versions/A/MetadataUtilities
dyld: loaded: /usr/lib/libmecabra.dylib
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
dyld: loaded: /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
dyld: loaded: /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText
dyld: loaded: /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
dyld: loaded: /System/Library/Frameworks/ColorSync.framework/Versions/A/ColorSync
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSyncLegacy.framework/Versions/A/ColorSyncLegacy
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
dyld: loaded: /System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/SkyLight
dyld: loaded: /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
dyld: loaded: /usr/lib/libcompression.dylib
dyld: loaded: /System/Library/Frameworks/CoreDisplay.framework/Versions/A/CoreDisplay
dyld: loaded: /System/Library/Frameworks/Metal.framework/Versions/A/Metal
dyld: loaded: /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/MetalPerformanceShaders
dyld: loaded: /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
dyld: loaded: /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
dyld: loaded: /System/Library/PrivateFrameworks/GPUWrangler.framework/Versions/A/GPUWrangler
dyld: loaded: /System/Library/PrivateFrameworks/IOAccelerator.framework/Versions/A/IOAccelerator
dyld: loaded: /System/Library/PrivateFrameworks/IOPresentment.framework/Versions/A/IOPresentment
dyld: loaded: /System/Library/PrivateFrameworks/DSExternalDisplay.framework/Versions/A/DSExternalDisplay
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreFSCache.dylib
dyld: loaded: /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSCore.framework/Versions/A/MPSCore
dyld: loaded: /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSImage.framework/Versions/A/MPSImage
dyld: loaded: /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSNeuralNetwork.framework/Versions/A/MPSNeuralNetwork
dyld: loaded: /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSMatrix.framework/Versions/A/MPSMatrix
dyld: loaded: /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSRayIntersector.framework/Versions/A/MPSRayIntersector
dyld: loaded: /System/Library/PrivateFrameworks/MetalTools.framework/Versions/A/MetalTools
dyld: loaded: /System/Library/PrivateFrameworks/AggregateDictionary.framework/Versions/A/AggregateDictionary
dyld: loaded: /usr/lib/libMobileGestalt.dylib
dyld: loaded: /System/Library/Frameworks/CoreImage.framework/Versions/A/CoreImage
dyld: loaded: /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
dyld: loaded: /System/Library/PrivateFrameworks/GraphVisualizer.framework/Versions/A/GraphVisualizer
dyld: loaded: /System/Library/PrivateFrameworks/FaceCore.framework/Versions/A/FaceCore
dyld: loaded: /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
dyld: loaded: /usr/lib/libFosl_dynamic.dylib
dyld: loaded: /System/Library/PrivateFrameworks/OTSVG.framework/Versions/A/OTSVG
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
dyld: loaded: /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
dyld: loaded: /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
dyld: loaded: /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
dyld: loaded: /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
dyld: loaded: /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libJP2.dylib
dyld: loaded: /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
dyld: loaded: /System/Library/PrivateFrameworks/AppleJPEG.framework/Versions/A/AppleJPEG
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginSupport.dylib
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClient.dylib
dyld: loaded: /usr/lib/libcups.2.dylib
dyld: loaded: /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
dyld: loaded: /System/Library/Frameworks/GSS.framework/Versions/A/GSS
dyld: loaded: /usr/lib/libresolv.9.dylib
dyld: loaded: /usr/lib/libiconv.2.dylib
dyld: loaded: /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
dyld: loaded: /usr/lib/libheimdal-asn1.dylib
dyld: loaded: /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory
dyld: loaded: /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
dyld: loaded: /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
dyld: loaded: /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
dyld: loaded: /System/Library/PrivateFrameworks/APFS.framework/Versions/A/APFS
dyld: loaded: /usr/lib/libutil.dylib
dyld: loaded: /usr/lib/libcharset.1.dylib
dyld: loaded: /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
dyld: loaded: /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
dyld: loaded: /System/Library/PrivateFrameworks/AppleSauce.framework/Versions/A/AppleSauce
dyld: loaded: /System/Library/PrivateFrameworks/AssertionServices.framework/Versions/A/AssertionServices
dyld: loaded: /System/Library/PrivateFrameworks/BaseBoard.framework/Versions/A/BaseBoard
dyld: loaded: /usr/lib/libmecab.1.0.0.dylib
dyld: loaded: /usr/lib/libgermantok.dylib
dyld: loaded: /usr/lib/libThaiTokenizer.dylib
dyld: loaded: /usr/lib/libChineseTokenizer.dylib
dyld: loaded: /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
dyld: loaded: /System/Library/PrivateFrameworks/CoreEmoji.framework/Versions/A/CoreEmoji
dyld: loaded: /System/Library/PrivateFrameworks/Lexicon.framework/Versions/A/Lexicon
dyld: loaded: /System/Library/PrivateFrameworks/LinguisticData.framework/Versions/A/LinguisticData
dyld: loaded: /usr/lib/libcmph.dylib
dyld: loaded: /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
dyld: loaded: /System/Library/Frameworks/ServiceManagement.framework/Versions/A/ServiceManagement
dyld: loaded: /System/Library/PrivateFrameworks/BackgroundTaskManagement.framework/Versions/A/BackgroundTaskManagement
dyld: loaded: /usr/lib/libxslt.1.dylib
ok

good.log

$ DYLD_PRINT_LIBRARIES_POST_LAUNCH=1 ./simple google.com
ok

simple.c

#include <stdio.h>
#include <string.h>

#include <sys/socket.h>
#include <sys/types.h>
#include <netdb.h>

#include <arpa/inet.h>


int main(int argc, char** argv)
{
  struct addrinfo hints, *res;
  struct sockaddr_in6 sa6;
  char ip6[INET6_ADDRSTRLEN];
  int error;

  /* We only care about IPV6 results */
  memset (&hints, 0, sizeof (hints));
  hints.ai_family = AF_INET6;
  hints.ai_socktype = SOCK_STREAM;
  hints.ai_flags = AI_DEFAULT;

  error = getaddrinfo(argv[1], "https", &hints, &res);
  if (error)
    return 1;

  // inet_ntop(AF_INET6, &(sa6.sin6_addr), ip6, INET6_ADDRSTRLEN);
  // printf("%s\n", ip6);
  printf("ok\n");

  freeaddrinfo(res);
}