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Shell Programming and Scripting
"Use of uninitialized value" in perl
Post 302479524 by R0H0N on Saturday 11th of December 2010 03:45:42 AM
12-11-2010
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LEARN ABOUT DEBIAN
gd_nvectors
gd_nvectors(3) GETDATA gd_nvectors(3) NAME
gd_nvectors -- report the number of vector fields in a dirfile SYNOPSIS
#include <getdata.h> unsigned int gd_nvectors(DIRFILE *dirfile); DESCRIPTION
The gd_nvectors() function queries a dirfile(5) database specified by dirfile and returns the number of vector fields defined in the data- base (i.e. fields of types BIT, LINCOM, LINTERP, MULTIPLY, PHASE, POLYNOM, RAW, SBIT). Notably, this count does not include /META fields. The dirfile argument must point to a valid DIRFILE object previously created by a call to gd_open(3). RETURN VALUE
Upon successful completion, gd_nvectors() returns the number of vector 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. The dirfile error may be retrieved by calling gd_error(3). A descriptive error string for the last error encountered can be obtained from a call to gd_error_string(3). SEE ALSO
dirfile(5), gd_open(3), gd_error(3), gd_error_string(3), gd_nfields(3), gd_nmvectors(3), gd_vector_list(3) Version 0.7.0 16 July 2010 gd_nvectors(3)