traverse a file hierarchy NAME fts, fts_open, fts_read, fts_children, fts_set, fts_close - traverse a file hierarchy LIBRARY Standard C library ( libc , -lc )...traverse a file hierarchy NAME fts, fts_open, fts_read, fts_children, fts_set, fts_close - traverse a file hierarchy LIBRARY Standard C library ( libc , -lc )...traverse a file hierarchy NAME fts, fts_open, fts_read, fts_children, fts_set, fts_close - traverse a file hierarchy LIBRARY Standard C library ( libc , -lc )...traverse a file hierarchy NAME fts, fts_open, fts_read, fts_children, fts_set, fts_close - traverse a file hierarchy LIBRARY Standard C library ( libc , -lc )...traverse a file hierarchy NAME fts, fts_open, fts_read, fts_children, fts_set, fts_close - traverse a file hierarchy LIBRARY Standard C library ( libc , -lc )...traverse a file hierarchy NAME fts, fts_open, fts_read, fts_children, fts_set, fts_close - traverse a file hierarchy LIBRARY Standard C library ( libc , -lc )...determine processor time NAME clock - determine processor time LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <time.h> clock_t clock(void); DESCRIPTION The clock () fu…get resource usage NAME getrusage - get resource usage LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/resource.h> int getrusage(int who , struct rusage * usage );…cause normal process termination NAME exit - cause normal process termination LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdlib.h> [[noreturn]] void exit(int stat…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 , …manage a binary search tree NAME tsearch, tfind, tdelete, twalk, twalk_r, tdestroy - manage a binary search tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <search…manage a binary search tree NAME tsearch, tfind, tdelete, twalk, twalk_r, tdestroy - manage a binary search tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <search…manage a binary search tree NAME tsearch, tfind, tdelete, twalk, twalk_r, tdestroy - manage a binary search tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <search…manage a binary search tree NAME tsearch, tfind, tdelete, twalk, twalk_r, tdestroy - manage a binary search tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <search…manage a binary search tree NAME tsearch, tfind, tdelete, twalk, twalk_r, tdestroy - manage a binary search tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <search…manage a binary search tree NAME tsearch, tfind, tdelete, twalk, twalk_r, tdestroy - manage a binary search tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <search…execute a shell command NAME system - execute a shell command LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdlib.h> int system(const char * command ); DESCRIPTION …