Fvneeded, Fvneeded32(3fml)

Name

Fvneeded(), Fvneeded32() - computes size needed for VIEW buffer

Synopsis

#include <stdio.h> 
#include "fml.h" 
 
long 
Fvneeded(char *subtype)
 
#include "fml32.h" 
 
long 
Fvneeded32(char *subtype)

Description

Fvneeded() returns the size of the VIEW C structure. subtype is the name of the VIEW. You can call Fvneeded() to determine the size of a VIEW buffer to allocate. Fvneeded32() is used with 32-bit VIEWs.

Return Values

Fvneeded() returns the size of the VIEW in number of bytes. This function returns -1 on error and sets Ferror to indicate the error condition.

Errors

Under the following conditions, Fvnull() fails and sets Ferror to:

See Also