Fpres, Fpres32 - true if field occurrence is present in buffer
#include <stdio.h> #include "fml.h" int Fpres(FBFR *fbfr, FLDID fieldid, FLDOCC oc) #include "fml32.h" int Fpres32(FBFR32 *fbfr, FLDID32 fieldid, FLDOCC32 oc)
Fpres() is used to detect if a given occurrence, oc, of a specified field, fieldid, exists in the buffer pointed to by fbfr.
Fpres32 is used with 32-bit FML.
Fpres() returns true (1) if the specified occurrence exists and false (0) otherwise.