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Return to: C PROGRAMMING LANGUAGE
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#Post#: 149--------------------------------------------------
STANDARD C I/O
By: eba95 Date: July 31, 2010, 4:46 am
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These functions provide an
alternative to the C++ stream-
based IO classes.
clearerr clears errors
fclose close a file
feof true if at the end-
of-file
ferror checks for a file
error
fflush
writes the
contents of the
output buffer
fgetc get a character
from a stream
fgetpos get the file
position indicator
fgets
get a string of
characters from a
stream
fopen open a file
fprintf print formatted
output to a file
fputc write a character
to a file
fputs write a string to a
file
fread read from a file
freopen
open an existing
stream with a
different name
fscanf read formatted
input from a file
fseek move to a specific
location in a file
fsetpos move to a specific
location in a file
ftell
returns the
current file
position indicator
fwrite write to a file
getc read a character
from a file
getchar read a character
from stdin
gets read a string from
stdin
perror
displays a string
version of the
current error to
stderr
printf write formatted
output to stdout
putc write a character
to a stream
putchar write a character
to stdout
puts write a string to
stdout
remove erase a file
rename rename a file
rewind
move the file
position indicator
to the beginning
of a file
scanf read formatted
input from stdin
setbuf set the buffer for
a specific stream
setvbuf
set the buffer and
size for a specific
stream
snprintf
write formated
output to a buffer
(with bound
checking)
sprintf write formatted
output to a buffer
sscanf
read formatted
input from a
buffer
tmpfile
return a pointer
to a temporary
file
tmpnam return a unique
filename
ungetc
puts a character
back into a
stream
vprintf,
vfprintf,
and
vsprintf write formatted
output with
variable
argument lists
vscanf,
vfscanf,
and
vsscanf gets formatted
input from stdin
with variable
argument lists
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