Expand description
The operating system library.
Operating system facilities: the clock, dates and times, environment variables, file management and process control.
Functions§
- clock
- Returns the CPU time used by the program.
- date
- Formats a date and time.
- difftime
- Returns the difference between two times.
- execute
- Runs a shell command.
- exit
- Terminates the host program.
- getenv
- Reads an environment variable.
- remove
- Deletes a file.
- rename
- Renames a file or directory.
- setlocale
- Sets the current locale of the program.
- time
- Returns the current time, or converts a date table to a time.
- tmpname
- Returns a name usable for a temporary file.