file tree walk NAME ftw, nftw - file tree walk LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <ftw.h> int nftw(const char * dirpath , int (* fn )(const char * fpath , …file tree walk NAME ftw, nftw - file tree walk LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <ftw.h> int nftw(const char * dirpath , int (* fn )(const char * fpath , …