stdio.h

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clearerr Resets the end-of-file and error flags of a stream.
fclose Closes a stream file and writes all buffer data.
feof Tests for the end-of-file on a stream.
ferror Tests for read or write errors on the associated file.
fflush Writes any data in the buffer to the associated file.
fgetc Gets the next character from an input stream.
fgetpos Queries the position in the associated file.
fgets Gets a string from a stream.
fopen Opens a file and associates a stream to the file.
fprintf Formats output to a stream.
fputc Writes a character to a stream.
fputs Writes a string to a stream.
fread Reads data from a stream.
freopen Reassociates the stream with the newly opened file.
fscanf Reads and formats input from a stream.
fseek Moves the pointer of a stream file.
fsetpos Sets the position of a stream file.
ftell Queries the file pointer of a stream.
fwrite Writes data to a stream.
getc Gets the next character from a stream.
getchar Gets the next character from standard input.
gets Reads a line of text from standard input.
perror Writes an error message to standard error.
printf Writes to standard output.
putc Writes a character to a stream.
putchar Writes a character to standard output.
puts Writes a string to standard output.
remove Removes a file.
rename Changes the name of a file.
rewind Seeks to the beginning of a stream.
scanf Reads from standard input.
setbuf Specifies the buffer for a stream.
setvbuf Controls stream file buffering.
sprintf Writes to a string.
sscanf Reads from a string
tmpfile Creates a temporary file.
tmpnam Generates a temporary file name.
ungetc Places a character back into a stream.
vfprintf Writes formatted output.
vprintf Writes to standard output.
vsprintf Writes to a string.


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