@node stackavail, memory
@findex stackavail
@subheading Syntax

@example
#include <stdlib.h>

int stackavail(void);
@end example

@subheading Description

This function returns the number of bytes that are available on the stack.

@subheading Portability

@portability !ansi, !posix

@subheading Example

@example
printf("Available stack size is %d bytes\n", stackavail());
@end example