How I can hook C functions?

[iThanh]

Hi,
Thank you for your git.
How can I hook C funtion, please?

for example:
int uname(struct utsname *);

or
CFDictionaryRef CNCopyCurrentNetworkInfo(CFStringRef interfaceName);

[wzqcongcong]

try DYLD_INTERPOSE or fishhook?

[iThanh]

Thank you for your answer.
And can you show me an example for hooking C++ functions, please?