VGetHeaderLength

 
Name
  VGetHeaderLength - computes the header length of 3DVIEWNIX data file.
 
Synopsis
  VGetHeaderLength(fp,hdrlen)
  FILE *fp;
  int *hdrlen;                          /*RETURN*/
 
Description
  VGetHeaderLength computes the header length of the 3DVIEWNIX data
file. If the file header format is incorrect, VGetHeaderLength returns
an error code else VGetHeaderLength returns the length of the header to 
hdrlen.
 
Return Value
  0 - work successfully.
  2 - read error.
  5 - improper seeks.
 
Parameters
  fp - a pointer to the output data file.
  hdrlen - length of the header.
 
Side Effects
  None.
 
Entry Conditions
  If fp is NULL, VGetHeaderLength prints an error message to the
standard error stream, produces a core dump file, and exits from the current
process.
 
Related Functions