DirectoryExists
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Checks if a directory exists
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FileExists
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Checks if a file exists
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ReadFile
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Reads the entire content of a file into a string
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WriteFile
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Writes the entire content (at once) of a file
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_chdir
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The _chdir function changes the current working directory to the directory specified by dirname
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_errno
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Gets the error for the last I/O operation
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_fileno
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Gets the file descriptor associated with a stream
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_getenv
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Get a value from the current environment
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_mkdir
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Create a new directory
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_putenv
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Create, modify, or remove environment variables
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_rmdir
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The _rmdir function deletes the directory specified by directory_path
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_stat
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Get status information on a file
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_unlink
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The _unlink function deletes the file specified by filename
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closedir
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The closedir function closes the named directory stream
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dirname
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Gets the name of a directory returned by a call to readdir
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exec
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Loads and executes a new process (independent of the current one)
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fclose
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Closes a file opened with fopen
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feof
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The feof function tests for end-of-file on a stream
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fflush
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The fflush function flushes a stream associated with file descriptor fd
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fgetc
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fgetc reads a single character from the current position of a file associated with fd
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fgets
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The fgets function reads a string from the input fd argument and stores it in buffer
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fgetstring
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fgetstring reads one item from the input file, fd, formed by the string separator, with maximum size max_size
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filegid
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Gets the group id of the owner of a file
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filelast_acc
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Gets the last access time of a file
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filelast_ch
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Gets the last changed date/time of a file
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filelast_mod
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Gets the last modification date/time of a file
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filesize
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Returns the file length, in bytes, of the target file
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filetype
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Gets the type of a file
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fileuid
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Gets the used id of the owner of a file
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fopen
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The fopen function opens the file specified by filename
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fputc
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fputc writes the single character ch to a file at the position indicated by the associated file position indicator (if defined) and advances the indicator as appropriate; the file is associated with fd
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fputs
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fputs copies buffer to the output stream fd at the current position, without the terminating null character
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fread
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The fread function reads up to count items of size bytes from the input file and stores them in buffer
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freopen
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The freopen function closes the file currently associated with fd and reassigns fd to the file specified by path
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fseek
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The fseek function moves the file pointer (if any) associated with fd to a new location that is offset bytes from origin
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fsize
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Gets the file length, in bytes, of the target file
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ftell
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The ftell function gets the current position of the file pointer (if any) associated with the file descriptor
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fwrite
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The fwrite function writes up to count items, of size length each, from buffer to the output file
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opendir
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The opendir() function opens the directory named by filename, associates a directory stream with it and returns a pointer to be used to identify the directory stream in subsequent operations
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readdir
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The readdir function returns an identifier to the next directory entry
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remove
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The remove function deletes the file or directory specified by path
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rewinddir
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The rewinddir() function resets the position of the named directory stream to the beginning of the directory
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seekdir
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The seekdir() function sets the position of the next readdir operation on the directory stream
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telldir
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The telldir function returns the current location associated with the named directory stream
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