Mat_VarGetNumberOfFields — Gets the number of fields for a structure variable.

       The Mat_VarGetNumberOfFields() function returns the number of fields for the structure variable matvar.

       Mat_VarGetNumberOfFields — Gets the number of fields for a structure variable.

       The  number  of  fields  will  be  returned  on success, and 0 otherwise.  Note also that a structure can
       validly contain 0 fields.

Mat_VarGetStructFieldnames(3)

Debian                                          November 20, 2023                    MAT_VARGETNUMBEROFFIELDS(3)

#include<matio.h>unsignedMat_VarGetNumberOfFields(constmatvar_t*matvar);