Rexx - Extended Functions

Rexx provides a number of extended functions that gives a wide variety of functionality, most of them which allow you to interact with the Operating System. Let’s look at some of them in detail as explained below.

S.No.	Extended Functions
1	b2c This function converts a binary value to a string value.
2	bitclr This function is used to toggle the specified bit in the binary string to 0.
3	bitcomp This function is used to compare 2 binary strings starting with bit 0.
4	buftype This function is used to display the contents of the stack which is normally used in debugging purposes.
5	crypt This function is used to encrypt a string.
6	fork This function is used to spawn a new child process on the system.
7	getpid This function gets the id of the current running process.
8	hash This function returns the hash value of a string.