abort (3) - cause abnormal program termination
abs (3) - integer absolute value function
alarm (3) - set signal timer alarm
alloca (3) - memory allocator
atexit (3) - register a function to be called on exit
atof (3) - convert ASCII string to double
atoi (3) - convert ASCII string to integer
atol (3) - convert ASCII string to long integer
bcmp (3) - compare byte string
bcopy (3) - copy byte string
bsearch (3) - binary search of a sorted table
bcmp, bcopy, bzero, memccpy, memchr, memcmp, memcpy, memmove, memset (3) -     byte string operations
bzero (3) - write zeroes to a byte string
calloc (3) - allocate clean memory (zero initialized space)
clock (3) - determine processor time used
crypt, setkey, encrypt, des_setkey, des_cipher (3) - DES encryption
ctermid (3) - generate terminal pathname
asctime, ctime, difftime, gmtime, localtime, mktime (3) - transform binary date and time value to ASCII
isalpha, isupper, islower, isdigit, isxdigit, isalnum, isspace, ispunct, isprint, isgraph, iscntrl, isascii, toupper, tolower, toascii (3) - character classification macros
opendir, readdir, telldir, seekdir, rewinddir, closedir, dirfd (3) - directory operations
div (3) - return quotient and remainder from division
execl, execlp, execle, exect, execv, execvp (3) - execute a file
exit (3) - perform normal program termination
fclose (3) - close a stream
clearerr, feof, ferror, fileno (3) - check and reset stream status
fflush, fpurge (3) - flush a stream
ffs (3) - find first bit set in a bit string
fgetline (3) - get a line from a stream
fgets, gets (3) - get a line from a stream
fnmatch (3) - match filename or pathname
fopen, fdopen, freopen (3) - stream open functions
fputs, puts (3) - output a line to a stream
fread, fwrite (3) - binary stream input/output
free (3) - free up memory allocated with malloc, calloc or realloc
frexp (3) - convert floating-point number to fractional and integral components
fgetpos, fseek, fsetpos, ftell, rewind (3) - reposition a stream
fts (3) - traverse a file hierarchy
funopen, fropen, fwopen (3) - open a stream
fgetc, getc, getchar, getw (3) - get next character or word from input stream
getwd (3) - get working directory pathname
getenv, putenv, setenv, unsetenv (3) - environment variable functions
getfsent, getfsspec, getfsfile, setfsent, endfsent (3) - get file system descriptor file entry
getgrent, getgrnam, getgrgid, setgroupent, setgrent, endgrent (3) - group database operations
getmntinfo (3) - get information about mounted file systems
getopt (3) - get option letter from argv
getpass (3) - get a password
getpwent, getpwnam, getpwuid, setpassent, setpwent, endpwent (3) - password database operations
getsubopt (3) - get sub options from an argument
getttyent, getttynam, setttyent, endttyent (3) - get ttys file entry
glob, globfree (3) - generate pathnames matching a pattern
index (3) - locate character in string
initgroups (3) - initialize group access list
isalnum (3) - alphanumeric character test
isalpha (3) - alphabetic character test
isascii (3) - ascii character test
iscntrl (3) - control character test
isdigit (3) - decimal-digit character test
isgraph (3) - printing character test (space character exculsive)
isinf, isnan (3) - test for infinity or not-a-number (NaN)
islower (3) - lower-case character test
isprint (3) - printing character test (space character inclusive)
ispunct (3) - punctuation character test
isspace (3) - white-space character test
isupper (3) - upper-case character test
isxdigit (3) - hexadecimal-digit character test
labs (3) - return the absolute value of a long integer
ldexp (3) - mutliply floating-point number by integral power of 2
ldiv (3) - return quotient and remainder from division
malloc, (3) - general memory allocation function
memchr (3) - locate byte in byte string
memcmp (3) - compare byte string
memcpy (3) - copy byte string
memmove (3) - copy byte string
malloc, free, realloc, calloc, alloca (3) - general memory allocation operations
memset (3) - write a byte to byte string
mktemp (3) - make temporary file name (unique)
modf (3) - extract signed integral and fractional values from floating-point number
nice (3) - set program scheduling priority
nlist (3) - retrieve symbol table name list from an executable file
pause (3) - stop until signal
popen, pclose (3) - process I/O
printf, fprintf, sprintf, snprintf, vprintf, vfprintf, vsprintf, vsnprintf (3) - formatted output conversion
psignal, sys_siglist (3) - system signal messages
fputc, putc, putchar, putw (3) - output a character or word to a stream
qsort, heapsort (3) - sort functions
radixsort (3) - radix sort
raise (3) - send a signal to the current process
rand, srand (3) - bad random number generator
random, srandom, initstate, setstate (3) - better random number generator;     routines for changing generators
realloc (3) - reallocation of memory function
regcomp, regexec, regsub, regerror (3) - regular expression handlers
remove (3) - remove directory entry
rindex (3) - locate character in string
scandir, alphasort (3) - scan a directory
scanf, fscanf, sscanf, vscanf, vsscanf, vfscanf (3) - input format conversion
setbuf, setbuffer, setlinebuf, setvbuf (3) - stream buffering operations
sigsetjmp, siglongjmp, setjmp, longjmp, _setjmp, _longjmp longjmperror (3) -     non-local jumps
getmode, setmode (3) - modify mode bits
setuid, seteuid, setruid, setgid, setegid, setrgid (3) - set user and group ID
signal (3) - simplified software signal facilities
sigsetops, sigemptyset, sigfillset, sigaddset, sigdelset, sigismember (3) -     manipulate signal masks
sleep (3) - suspend process execution for interval of seconds
stdio (3) - standard input/output library functions
strcasecmp (3) - compare strings, ignoring case
strcat (3) - concatenate strings
strchr (3) - locate character in string
strcmp (3) - compare strings
strcoll (3) - compare strings according to current collation
strcpy (3) - copy strings
strcspn (3) - span the complement of a string
strdup (3) - save a copy of a string
perror, strerror, sys_errlist, sys_nerr (3) - system error messages
strftime (3) - format date and time
strcat, strncat, strchr, strrchr, strcmp, strncmp, strcasecmp, strncasecmp, strcpy, strncpy, strerror, strlen, strpbrk, strsep, strspn, strcspn, strstr, strtok, index, rindex (3) - string specific functions
strlen (3) - find length of string
strmode (3) - convert inode status information into a symbolic string
strpbrk (3) - locate multiple characters in string
strrchr (3) - locate character in string
strsep (3) - separate strings
strspn (3) - span a string
strstr (3) - locate a substring in a string
strtod (3) - convert ASCII string to double
strtok, strsep (3) - string token operations
strtol (3) - convert string value to a long integer
strtoul (3) - convert a string to an unsigned long integer
strxfrm (3) - transform a string under locale
swab (3) - swap adjacent bytes
syslog, vsyslog, openlog, closelog, setlogmask (3) - control system log
system (3) - pass a command to the shell
time (3) - get time of day
times (3) - process times
timezone (3) - return the timezone abbreviation
tempnam, tmpfile, tmpnam (3) - temporary file routines
tolower (3) - upper case to lower case letter conversion
toupper (3) - lower case to upper case letter conversion
ttyname, isatty, ttyslot (3) - get name of associated terminal (tty) from file descriptor
tzset, tzsetwall (3) - initialize time conversion information
ualarm (3) - schedule signal after specified time
ungetc (3) - un-get character from input stream
unvis, strunvis (3) - decode a visual representation of characters
usleep (3) - suspend execution for interval of microseconds
utime (3) - set file times
valloc (3) - aligned memory allocation function
vis (3) - visually encode characters
acos (3) - arc cosine function
acosh (3) - inverse hyperbolic cosine function
asin (3) - arc sine function
asinh (3) - inverse hyperbolic sine function
atan (3) - arc tangent function of one variable
atan2 (3) - arc tangent function of two variables
atanh (3) - inverse hyperbolic tangent function
ceil (3) - smallest integral value not greater than x
cos (3) - cosine function
cosh (3) - hyperbolic cosine function
erf, erfc (3) - error function operators
exp, expm1, log, log10, log1p, pow (3) - exponential, logarithm, power functions
fabs (3) - floating-point absolute value function
floor (3) - largest integral value not greater than x
fmod (3) - floating-point remainder function
hypot, cabs (3) - euclidean distance and complex absolute value functions
copysign, drem, finite, logb, scalb copysign, remainder, (3) - exponent manipulations
infnan (3) - signals invalid floating-point operations on a VAX (temporary)
j0, j1, jn, y0, y1, yn (3) - bessel functions of first and second kind
lgamma (3) - log gamma function
 (math) - introduction to mathematical library functions
rint (3) - and round-to-closest integer functions
sin (3) - sine function
sinh (3) - hyperbolic sine function
cbrt, sqrt (3) - cube root and square root functions
tan (3) - tangent function
tanh (3) - hyperbolic tangent function
regexp, regcomp, regexec, regsub, regerror (3) - regular expression handlers
