C语言库函数

字符串函数
bcmp
bcopy
bzero
memccpy
memchr
memcmp
memcpy
memicmp
memmove
memset
movmem
setmem
stpcpy
strcat
strchr
strcmp
strcmpi
strcpy
strcspn
strdup
stricmp
strlen
strlwr
strncat
strncmp
strncmpi
strncpy
strnicmp
strpbrk
strrev
strset
strstr
strtok
strupr

数学函数
abs
acos
asin
atan
atan2
ceil
cos
cosh
exp
fabs
floor
fmod
frexp
hypot
ldexp
log
log10
modf
pow
pow10
sin
sinh
sqrt
tan
tanh

输入输出函数
getchar
kbhit
printf
putchar

系统函数
ClearScreen
DispBCD
SetScrollBar
TextOut
UpdateLCD
bell
block
clrscr
cursor
delay
get_chi_font
get_eng_font
getkey
getpixel
gotoxy
line
move
noidle
outtextxy
putpixel
pyfc
rectangle
sleep
textmode
time
write_chi_font
write_eng_font
exit
itoa

字符函数
isalnum
isalpha
iscntrl
isdigit
islower
isascii
isgraph
isprint
ispunct
isspace
isupper
isxdigit
toascii
tolower
toupper
内存管理函数
calloc
free
malloc
realloc

源文档下载链接：
《C语言库函数速查手册》
http://pan.baidu.com/share/link?shareid=143472&uk=337919926&third=0
《C语言函数参考》
http://pan.baidu.com/share/link?shareid=143474&uk=337919926&third=0
《C语言库函数速查手册》
http://pan.baidu.com/share/link?shareid=143475&uk=337919926&third=0

谢谢了