Using the C++ Math Library

File I/O Functions

File Opening and Closing 

Function	Purpose
fclose	Close file.
fopen	Open file.

File Positioning 

Function	Purpose
feof	Test for end-of-file.
ferror	Inquire file I/O error status.
frewind	Rewind file pointer to beginning of file.
fseek	Set file position indicator.
ftell	Get file position indicator.

Formatted I/O 

Function	Purpose
fgetl	Read line from file, discard newline character.
fgets	Read line from file, keep newline character.
fprintf	Write formatted data to file.
fscanf	Read formatted data from file.

Binary File I/O 

Function	Purpose
fread	Read binary data from file.
fwrite	Write binary data to file.

String Conversion 

Function	Purpose
sprintf	Write formatted data to a string.
sscanf	Read string under format control.

File Import/Export Functions 

Function	Purpose
load	Retrieve variables from disk.
save	Save variables on disk.

Character String Functions

Data Types