string.h

_fmemccpy

_fstrset strdup
_fmemchr

_fstrspn

strdup
_fmemcmp

_fstrstr strerror
_fmemcpy

_fstrtok

_strerror
_fmemicmp

_fstrupr

stricmp
_fmemset

memccpy

strlen
_fstr*

memchr

strlwr
_fstrcat

memcmp

strncat
_fstrchr

memcpy

strncmp
_fstrcmp

memicmp

strncmpi
_fstrcpy

memmove

strncpy
_fstrcspn

memset

strnicmp
_fstrdup

movedata

strnset
_fstricmp

movmem

strpbrk
_fstrlen

setmem

strrchr
_fstrlwr

stpcpy

strrev
_fstrncat

strcat

strset
_fstrncmp

strchr

strspn
_fstrncpy

strcmp

strstr
_fstrnicmp

strcmp

strtok
_fstrnset

strcmpi

strupr
_fstrpbrk

strcoll

strxfrm
_fstrrchr

strcpy
_fstrrev

strcspn

math.h

abs
acos, acosl
asin, asinl
atan, atanl
atan2, atan2l
atof, _atold
cabs, cabsl
ceil, ceill
cos, cosl
cosh, coshl
exp, expl
fabs, fabs
floor, floorl
fmod, fmodl
frexp, frexpl
hypot, hypotl
labs
ldexp, ldexpl
log, logl
log10, log101
_matherr,_matherrl
modf, modfl
poly, polyl
pow, powl
pow10, pow10l
sin, sinl
sinh, sinhl
sqrt, sqrtl
tan, tanl
tanh, tanhl

conio.h

cgets
clreol
clrscr
cprintf
cputs
cscanf
delline
getch
getche
getpass
gettext
gettextinfo
gotoxy
highvideo
inp
inport
inportb
inpw
insline
kbhit
lowvideo
movetext
normvideo
outp
outport
outportb
outpw
putch
puttext
_setcursortype
textattr
textbackground
textcolor
textmode
ungetch
wherex
wherey
window

stdlib.h

abort

labs

realloc
abs

ldiv

_rotl
atexit

lfind

_rotr
atof

_lrotl

_searchenv
atoi

_lrotr

_searchstr
atol

lsearch

_splitpath
bsearch

ltoa

srand
calloc

_makepath

strtod
_crotr

malloc

strtol
div

max

_strtold
ecvt

mblen

strtoul
exit

mbstowcs

swab
_exit

mbtowc

system
fcvt

min

time
free

putenv

ultoa
_fullpath

qsort

wcstombs
gcvt

rand

wctomb
getenv

random
itoa

randomize

stdio.h

clearerr

_fstrncpy

spawnlp
fclose

ftell

spawnlpe
fcloseall

fwrite

spawnv
fdopen

getc

spawnve
feof

getchar

spawnvp
ferror

gets

spawnvpe
fflush

getw

sprintf
fgetc

_pclose

sscanf
fgetchar

perror

strerror
fgetpos

_popen

_strerror
fgets

printf

strncpy
fileno

putc

tempnam
flushall

putchar

tmpfile
fopen

puts

tmpnam
fprintf

putw

ungetc
fputc

remove

unlink
fputchar

rename

vfprintf
fputs

rewind

vfscanf
fread

rmtmp

vprintf
freopen

scanf

vscanf
fscanf

setbuf

vsprintf
fseek

setvbuf

vsscanf
fsetpos

spawnl
_fsopen

spawnle