2. Index of Standard C Functions

This page provides alphabetically sorted hypertext links to all the functions documented.

abort
abs
acos
asctime
asin
assert
atan
atan2
atexit
atof
atoi
atol

bsearch

calloc
ceil
clearerr
clock
cos
cosh
ctime

difftime
div

exit
exp

fabs
fclose
feof
ferror
fflush
fgetc
fgetpos
fgets
floor
fmod
fopen
fprintf
fputc
fputs
fread
free
freopen
frexp
fscanf
fseek
fsetpos
ftell
fwrite

getc
getchar
getenv
gets
gmtime

isalnum
isalpha
iscntrl
isdigit
isgraph
islower
isprint
ispunct
isspace
isupper
isxdigit

labs
ldexp
ldiv
localeconv
localtime
log
log10
longjmp

malloc
mblen
mbstowcs
mbtowc
memchr
memcmp
memcpy
memmove
memset
mktime
modf

offsetof

perror
pow
printf
putc
putchar
puts

qsort

raise
rand
realloc
remove
rename
rewind

scanf
setbuf
setjmp
setlocale
setvbuf
signal
sin
sinh
sprintf
sqrt
srand
sscanf
strcat
strchr
strcmp
strcoll
strcpy
strcspn
strerror
strftime
strlen
strncat
strncmp
strncpy
strpbrk
strrchr
strspn
strstr
strtod
strtok
strtol
strtoul
strxfrm
system

tan
tanh
time
tmpfile
tmpnam
tolower
toupper

ungetc

va_end
va_start
vfprintf
vprintf
vsprintf

wcstombs
wctomb