PURPOSE

Ffinds, Ffinds32 - return ptr to string representation

SYNOPSIS

#include <stdio.h>
#include "fml.h"
char *	
Ffinds(FBFR *fbfr, FLDID fieldid, FLDOCC oc)
#include "fml32.h"
char *	
Ffinds32(FBFR32 *fbfr, FLDID32 fieldid, FLDOCC32 oc)

DESCRIPTION

Ffinds() is provided to handle the case of conversion to a user type of FLD_STRING. fbfr is a pointer to a fielded buffer. fieldid is a field identifier. oc is the occurrence number of the field. The specified field occurrence is found and converted from its type in the buffer to a null-terminated string. Basically, this macro calls its conversion function counterpart, CFfind(3c), providing a utype of FLD_STRING, and a ulen of 0. The duration of the validity of the pointer returned by Ffinds() is the same as that described for CFfind(3c).

Ffinds32 is used with 32-bit FML.

RETURN VALUES

This function returns NULL on error and sets Ferror to indicate the error condition.

ERRORS

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

[FALIGNERR]

"fielded buffer not aligned"
The buffer does not begin on the proper boundary.

 

[FNOTFLD]

"buffer not fielded"
The buffer is not a fielded buffer or has not been initialized by Finit().

 

[FNOTPRES]

"field not present"
A field occurrence is requested but the specified field and/or occurrence was not found in the fielded buffer.

 

[FBADFLD]

"unknown field number or type"
A field identifier is specified which is not valid.

 

[FTYPERR]

"invalid field type"
A field type is specified which is not valid.

 

[FMALLOC]

"malloc failed"
Allocation of space dynamically using malloc(3) failed while converting carray to string.

SEE ALSO

Fintro(3fml),
CFfind(3fml),
Ffind(3fml)