Programming functions
abort
abs
acos
acosh
alloca
alphasort
asctime
asin
asinh
assert
atan
atan2
atanh
atexit
atof
atoi
atol
bcmp
bcopy
bsearch
bstring
btree
byteorder
bzero
calloc
catclose
catgets
catopen
cbrt
ceil
cfmakeraw
clearerr
clock
closedir
closelog
confstr
copysign
cos
cosh
crypt
ctermid
ctime
currentcontext
cuserid
dbopen
difftime
div
dlclose
dlerror
dlopen
dlsym
drem
ecvt
endgrent
endhostent
endusershell
endutent
erf
erfc
errno
exec
execl
execle
execlp
execv
execvp
exit
exp
fabs
fclose
fcvt
fdopen
feof
ferror
fflush
ffs
fgetc
fgetpos
fgets
fileno
finite
floor
fmod
fnmatch
fopen
form
fpathconf
fprintf
fpurge
fputc
fputs
fread
free
freopen
frexp
fscanf
fseek
fsetpos
ftell
ftime
ftok
ftw
fwrite
gcvt
getc
getchar
getcwd
getdirentries
getenv
getgrent
getlogin
getopt
getpass
getpw
getpwent
getpwuid
gets
getusershell
getutid
getw
getwd
glob
globfree
gmtime
gpc
hash
hcreate
hdestroy
herror
hsearch
htonl
htons
hypot
index
inet
infnan
initgroups
initstate
insque
intro
iruserok
isalnum
isalpha
isascii
isatty
isblank
iscntrl
isdigit
isgraph
isinf
islower
isnan
isprint
ispunct
isspace
isupper
isxdigit
keyok
killpg
labs
ldexp
ldiv
lfind
lgamma
libexpect
localeconv
localtime
log
log10
logwtmp
longjmp
lsearch
malloc
mblen
mbtowc
memccpy
memchr
memcmp
memcpy
memfrob
memmem
memmove
memset
menu
mkfifo
mkstemp
mktemp
mktime
modf
mpool
ncurses
opendir
openlog
panel
pathconf
pclose
perror
popen
pow
printf
profil
psignal
putc
putchar
putenv
putpwent
puts
pututline
putw
raise
rand
random
rcmd
readdir
readline
readv
realloc
realpath
recno
regcomp
regex
regexec
remove
remque
resizeterm
rewind
rindex
rint
rquota
ruserok
scandir
scanf
seekdir
setbuf
setenv
setjmp
setlocale
setstate
setusershell
shadow
siginterrupt
sigismember
sin
sinh
sleep
snprintf
sprintf
sqrt
srand
srandom
sscanf
stdarg
stderr
stdin
stdio
stdout
stpcpy
strcasecmp
strcat
strchr
strcmp
strcoll
strcpy
strcspn
strdup
strerror
strfry
strftime
string
strlen
strncasecmp
strncat
strncmp
strncpy
strpbrk
strptime
strrchr
strsep
strsignal
strspn
strstr
strtod
strtok
strtol
strtoul
swab
sysconf
syslog
system
tan
tanh
tcdrain
tcflow
tcflush
tdelete
telldir
tempnam
termios
tfind
tmpfile
tmpnam
toascii
tolower
toupper
tree
tsearch
ttyname
twalk
tzset
ulimit
ungetc
unsetenv
usleep
utmpname
vfprintf
vfscanf
vprintf
vscanf
vsnprintf
vsprintf
vsscanf
wcstombs
wctomb
wresize
writev