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3. Library calls (functions within program libraries) [1050]
- a64l
- abort
- abs
- acos
- acosf
- acosh
- acoshf
- acoshl
- acosl
- addmntent
- addseverity
- adjtime
- aiocb
- alloca
- alphasort
- argz
- asctime
- asin
- asinf
- asinh
- asinhf
- asinhl
- asinl
- asprintf
- assert
- atan
- atan2
- atan2f
- atan2l
- atanf
- atanh
- atanhf
- atanhl
- atanl
- atexit
- atof
- atoi
- atol
- atoll
- atoq
- backtrace
- basename
- bcmp
- bcopy
- be16toh
- be32toh
- be64toh
- bindresvport
- bindtextdomain
- bsearch
- bstring
- bswap
- btowc
- btree
- byteorder
- bzero
- cabs
- cabsf
- cabsl
- cacos
- cacosf
- cacosh
- cacoshf
- cacoshl
- cacosl
- calloc
- callrpc
- carg
- cargf
- cargl
- casin
- casinf
- casinh
- casinhf
- casinhl
- casinl
- catan
- catanf
- catanh
- catanhf
- catanhl
- catanl
- catclose
- catgets
- catopen
- cbrt
- cbrtf
- cbrtl
- ccos
- ccosf
- ccosh
- ccoshf
- ccoshl
- ccosl
- ceil
- ceilf
- ceill
- cexp
- cexp2
- cexp2f
- cexp2l
- cexpf
- cexpl
- cfgetispeed
- cfgetospeed
- cfmakeraw
- cfree
- cfsetispeed
- cfsetospeed
- cfsetspeed
- cimag
- cimagf
- cimagl
- circleq
- clearenv
- clearerr
- clock
- clog
- clog10
- clog10f
- clog10l
- clog2
- clog2f
- clog2l
- clogf
- clogl
- closedir
- closelog
- cmsg
- confstr
- conj
- conjf
- conjl
- copysign
- copysignf
- copysignl
- cos
- cosf
- cosh
- coshf
- coshl
- cosl
- cpow
- cpowf
- cpowl
- cproj
- cprojf
- cprojl
- creal
- crealf
- creall
- crypt
- csin
- csinf
- csinh
- csinhf
- csinhl
- csinl
- csqrt
- csqrtf
- csqrtl
- ctan
- ctanf
- ctanh
- ctanhf
- ctanhl
- ctanl
- ctermid
- ctime
- cuserid
- daemon
- daylight
- db
- dbopen
- dcgettext
- dcngettext
- dgettext
- difftime
- dirfd
- dirname
- div
- dladdr
- dladdr1
- dlclose
- dlerror
- dlinfo
- dlmopen
- dlopen
- dlsym
- dlvsym
- dngettext
- dprintf
- drand48
- drem
- dremf
- dreml
- duplocale
- dysize
- eaccess
- ecvt
- edata
- encrypt
- end
- endaliasent
- endfsent
- endgrent
- endhostent
- endian
- endmntent
- endnetent
- endnetgrent
- endprotoent
- endpwent
- endrpcent
- endservent
- endspent
- endttyent
- endusershell
- endutent
- endutxent
- envz
- erand48
- erf
- erfc
- erfcf
- erfcl
- erff
- erfl
- err
- errno
- error
- errx
- etext
- euidaccess
- exec
- execl
- execle
- execlp
- execv
- execvp
- execvpe
- exit
- exp
- exp10
- exp10f
- exp10l
- exp2
- exp2f
- exp2l
- expf
- expl
- expm1
- expm1f
- expm1l
- fabs
- fabsf
- fabsl
- fclose
- fcloseall
- fcvt
- fdim
- fdimf
- fdiml
- fdopen
- fdopendir
- feclearexcept
- fedisableexcept
- feenableexcept
- fegetenv
- fegetexcept
- fegetexceptflag
- fegetround
- feholdexcept
- fenv
- feof
- feraiseexcept
- ferror
- fesetenv
- fesetexceptflag
- fesetround
- fetestexcept
- feupdateenv
- fexecve
- fflush
- ffs
- ffsl
- ffsll
- fgetc
- fgetgrent
- fgetpos
- fgetpwent
- fgets
- fgetspent
- fgetwc
- fgetws
- fileno
- finite
- finitef
- finitel
- flockfile
- floor
- floorf
- floorl
- fma
- fmaf
- fmal
- fmax
- fmaxf
- fmaxl
- fmemopen
- fmin
- fminf
- fminl
- fmod
- fmodf
- fmodl
- fmtmsg
- fnmatch
- fopen
- fopencookie
- forkpty
- fpathconf
- fpclassify
- fprintf
- fpurge
- fputc
- fputs
- fputwc
- fputws
- fread
- free
- freeaddrinfo
- freehostent
- freeifaddrs
- freelocale
- freopen
- frexp
- frexpf
- frexpl
- fscanf
- fseek
- fseeko
- fsetpos
- fstatvfs
- ftell
- ftello
- ftime
- ftok
- ftrylockfile
- fts
- ftw
- funlockfile
- futimens
- futimes
- fwide
- fwprintf
- fwrite
- gamma
- gammaf
- gammal
- gcvt
- getaddrinfo
- getaliasbyname
- getaliasent
- getauxval
- getc
- getchar
- getcontext
- getcwd
- getdate
- getdelim
- getdirentries
- getdtablesize
- getentropy
- getenv
- getfsent
- getfsfile
- getfsspec
- getgrent
- getgrgid
- getgrnam
- getgrouplist
- gethostbyaddr
- gethostbyname
- gethostbyname2
- gethostent
- gethostid
- getifaddrs
- getipnodebyaddr
- getipnodebyname
- getline
- getloadavg
- getlogin
- getmntent
- getnameinfo
- getnetbyaddr
- getnetbyname
- getnetent
- getnetgrent
- getopt
- getpass
- getprotobyname
- getprotobynumber
- getprotoent
- getpt
- getpw
- getpwent
- getpwnam
- getpwuid
- getrpcbyname
- getrpcbynumber
- getrpcent
- getrpcport
- gets
- getservbyname
- getservbyport
- getservent
- getspent
- getspnam
- getsubopt
- gettext
- getttyent
- getttynam
- getumask
- getusershell
- getutent
- getutid
- getutline
- getutmp
- getutmpx
- getutxent
- getutxid
- getutxline
- getw
- getwc
- getwchar
- getwd
- glob
- globfree
- gmtime
- grantpt
- gsignal
- hash
- hasmntopt
- hcreate
- hdestroy
- herror
- hsearch
- hstrerror
- htobe16
- htobe32
- htobe64
- htole16
- htole32
- htole64
- htonl
- htons
- hypot
- hypotf
- hypotl
- iconv
- ilogb
- ilogbf
- ilogbl
- imaxabs
- imaxdiv
- index
- inet
- initgroups
- initstate
- innetgr
- insque
- intro
- iruserok
- isalnum
- isalpha
- isascii
- isatty
- isblank
- iscntrl
- isdigit
- isfdtype
- isfinite
- isgraph
- isgreater
- isgreaterequal
- isinf
- isinff
- isinfl
- isless
- islessequal
- islessgreater
- islower
- isnan
- isnanf
- isnanl
- isnormal
- isprint
- ispunct
- isspace
- isunordered
- isupper
- iswalnum
- iswalpha
- iswblank
- iswcntrl
- iswctype
- iswdigit
- iswgraph
- iswlower
- iswprint
- iswpunct
- iswspace
- iswupper
- iswxdigit
- isxdigit
- j0
- j0f
- j0l
- j1
- j1f
- j1l
- jn
- jnf
- jnl
- jrand48
- killpg
- klogctl
- l64a
- labs
- lckpwdf
- lcong48
- lconv
- ldexp
- ldexpf
- ldexpl
- ldiv
- le16toh
- le32toh
- le64toh
- lfind
- lgamma
- lgammaf
- lgammal
- libguestlib
- libnetlink
- libnftables
- libvmtools
- llabs
- lldiv
- llrint
- llrintf
- llrintl
- llround
- llroundf
- llroundl
- localeconv
- localtime
- lockf
- log
- log10
- log10f
- log10l
- log1p
- log1pf
- log1pl
- log2
- log2f
- log2l
- logb
- logbf
- logbl
- logf
- login
- logl
- logout
- logwtmp
- longjmp
- lrand48
- lrint
- lrintf
- lrintl
- lround
- lroundf
- lroundl
- lsearch
- lseek64
- lutimes
- major
- makecontext
- makedev
- mallinfo
- malloc
- mallopt
- matherr
- mblen
- mbrlen
- mbrtowc
- mbsinit
- mbsnrtowcs
- mbsrtowcs
- mbstowcs
- mbtowc
- mcheck
- memalign
- memccpy
- memchr
- memcmp
- memcpy
- memfrob
- memmem
- memmove
- mempcpy
- memrchr
- memset
- minor
- mkdtemp
- mkfifo
- mkfifoat
- mkostemp
- mkostemps
- mkstemp
- mkstemps
- mktemp
- mktime
- mmap64
- modf
- modff
- modfl
- mpool
- mprobe
- mrand48
- mtrace
- muntrace
- nan
- nanf
- nanl
- nearbyint
- nearbyintf
- nearbyintl
- netlink
- newlocale
- nextafter
- nextafterf
- nextafterl
- nextdown
- nextdownf
- nextdownl
- nexttoward
- nexttowardf
- nexttowardl
- nextup
- nextupf
- nextupl
- nftw
- ngettext
- nrand48
- ntohl
- ntohs
- offsetof
- opendir
- openlog
- openproc
- openpty
- optarg
- opterr
- optind
- optopt
- passwd2des
- pathconf
- pclose
- pcrepattern
- perror
- popen
- pow
- pow10
- pow10f
- pow10l
- powf
- powl
- printf
- profil
- psiginfo
- psignal
- ptsname
- putc
- putchar
- putenv
- putgrent
- putpwent
- puts
- putspent
- pututline
- pututxline
- putw
- putwc
- putwchar
- pvalloc
- qecvt
- qfcvt
- qgcvt
- qsort
- queue
- raise
- rand
- random
- rawmemchr
- rcmd
- readdir
- readproc
- readproctab
- realloc
- reallocarray
- realpath
- recno
- regcomp
- regerror
- regex
- regexec
- regfree
- registerrpc
- remainder
- remainderf
- remainderl
- remove
- remque
- remquo
- remquof
- remquol
- resolver
- rewind
- rewinddir
- rexec
- rindex
- rint
- rintf
- rintl
- round
- roundf
- roundl
- rpc
- rpmatch
- rresvport
- rtime
- rtnetlink
- ruserok
- scalb
- scalbf
- scalbl
- scalbln
- scalblnf
- scalblnl
- scalbn
- scalbnf
- scalbnl
- scandir
- scandirat
- scanf
- seed48
- seekdir
- setaliasent
- setbuf
- setbuffer
- setcontext
- setenv
- setfsent
- setgrent
- sethostent
- sethostid
- setjmp
- setkey
- setlinebuf
- setlocale
- setlogmask
- setmntent
- setnetent
- setnetgrent
- setprotoent
- setpwent
- setrpcent
- setservent
- setspent
- setstate
- setttyent
- setusershell
- setutent
- setutxent
- setvbuf
- sgetspent
- sigaddset
- sigandset
- sigblock
- sigdelset
- sigemptyset
- sigfillset
- siggetmask
- sighold
- sigignore
- siginterrupt
- sigisemptyset
- sigismember
- siglongjmp
- sigmask
- signbit
- signgam
- significand
- significandf
- significandl
- sigorset
- sigpause
- sigqueue
- sigrelse
- sigset
- sigsetjmp
- sigsetmask
- sigsetops
- sigstack
- sigval
- sigvec
- sigwait
- sin
- sincos
- sincosf
- sincosl
- sinf
- sinh
- sinhf
- sinhl
- sinl
- sleep
- slist
- snprintf
- sockatmark
- sprintf
- sqrt
- sqrtf
- sqrtl
- srand
- srand48
- srandom
- sscanf
- ssignal
- stailq
- statvfs
- stdarg
- stderr
- stdin
- stdio
- stdout
- stpcpy
- stpncpy
- strcasecmp
- strcasestr
- strcat
- strchr
- strchrnul
- strcmp
- strcoll
- strcpy
- strcspn
- strdup
- strdupa
- strerror
- strfmon
- strfromd
- strfromf
- strfroml
- strfry
- strftime
- string
- strlen
- strncasecmp
- strncat
- strncmp
- strncpy
- strndup
- strndupa
- strnlen
- strpbrk
- strptime
- strrchr
- strsep
- strsignal
- strspn
- strstr
- strtod
- strtof
- strtoimax
- strtok
- strtol
- strtold
- strtoll
- strtoq
- strtoul
- strtoull
- strtoumax
- strtouq
- strverscmp
- strxfrm
- swab
- swapcontext
- swprintf
- sysconf
- syslog
- system
- tailq
- tan
- tanf
- tanh
- tanhf
- tanhl
- tanl
- tcdrain
- tcflow
- tcflush
- tcgetattr
- tcgetpgrp
- tcgetsid
- tcsendbreak
- tcsetattr
- tcsetpgrp
- tdelete
- tdestroy
- telldir
- tempnam
- termios
- textdomain
- tfind
- tgamma
- tgammaf
- tgammal
- timegm
- timelocal
- timeradd
- timerclear
- timercmp
- timerisset
- timersub
- timespec
- timeval
- timezone
- tmpfile
- tmpnam
- toascii
- tolower
- toupper
- towctrans
- towlower
- towupper
- trunc
- truncf
- truncl
- tsearch
- ttyname
- ttyslot
- twalk
- tzname
- tzset
- ualarm
- ulckpwdf
- ulimit
- undocumented
- ungetc
- ungetwc
- unlockpt
- unsetenv
- updwtmp
- updwtmpx
- uselocale
- usleep
- utmpname
- utmpxname
- valloc
- vasprintf
- vdprintf
- verr
- verrx
- versionsort
- vfprintf
- vfscanf
- vfwprintf
- vlimit
- void
- vprintf
- vscanf
- vsnprintf
- vsprintf
- vsscanf
- vswprintf
- vsyslog
- vtimes
- vwarn
- vwarnx
- vwprintf
- warn
- warnx
- wcpcpy
- wcpncpy
- wcrtomb
- wcscasecmp
- wcscat
- wcschr
- wcscmp
- wcscpy
- wcscspn
- wcsdup
- wcslen
- wcsncasecmp
- wcsncat
- wcsncmp
- wcsncpy
- wcsnlen
- wcsnrtombs
- wcspbrk
- wcsrchr
- wcsrtombs
- wcsspn
- wcsstr
- wcstoimax
- wcstok
- wcstombs
- wcstoumax
- wcswidth
- wctob
- wctomb
- wctrans
- wctype
- wcwidth
- wmemchr
- wmemcmp
- wmemcpy
- wmemmove
- wmempcpy
- wmemset
- wordexp
- wordfree
- wprintf
- xcrypt
- xdecrypt
- xdr
- xencrypt
- y0
- y0f
- y0l
- y1
- y1f
- y1l
- yn
- ynf
- ynl
We also have a couple special commands that we use on a regular basis taht help us out and we would like to share these tools with you here on the web.
- nslookup - Tries to identify IP address of a given domain name
- whois - Tries to identify the owner and other information relating to a web domain
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