Standard Library Functions – Alphabetical in C Language – example and detail

Alphabetical

Header File

Below is the list Standard Library Functions in the C Language, sorted alphabetically:

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

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

strtoll

strtoul

strxfrm

system

tan

tanh

time

tmpfile

tmpnam

tolower

toupper

ungetc

va_arg

va_end

va_start

vfprintf

vprintf

vsprintf

wcstombs

wctomb