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other versions
- wheezy 0.7.3-6
- jessie 0.7.3-6+b2
- testing 0.9.4-1
- unstable 0.9.4-1
- experimental 0.10.0-1
gd_nfields(3) | GETDATA | gd_nfields(3) |
NAME¶
gd_nfields — report the number of fields in a dirfileSYNOPSIS¶
#include <getdata.h>unsigned
int gd_nfields(DIRFILE *dirfile);
DESCRIPTION¶
The gd_nfields() function queries a dirfile(5) database specified by dirfile and returns the number of fields defined in the database. Notably, this count does not include /META fields.RETURN VALUE¶
Upon successful completion, gd_nfields() returns the number of defined fields in the dirfile. On error, it returns zero and sets the dirfile error to a non-zero error value. Possible error values are:- GD_E_BAD_DIRFILE
- The supplied dirfile was invalid.
SEE ALSO¶
dirfile(5), gd_open(3), gd_error(3), gd_error_string(3), gd_field_list(3), gd_nfields_by_type(3), gd_nmfields(3), gd_nvectors(3)16 July 2010 | Version 0.7.0 |