Function: irim_checkbphf Purpose: check whether the BPHF is present and wanted Category: IRAS, private to program: IMAGE Author: Do Kester Use: int irim_checkbphf( fchar irds, fint snipnr ) returns: 1 : bphf is present -1: bphf is not present but the snip should be processed 0 : bphf is not present and do not process this snip Description: It is checked whether the SRLON keyword is present for the first tick at the snip level. If so the function returns a 1. If not the user is asked whether to use intended positions; the answer is accordingly. Comment: This routine is NOT callable in FORTRAN. Updates: 03 Dec 1991: DK, Creation date 18 Jun 1992: DK, search only at local level. 10 Aug 1992: DK, annoying non-error suppressed.