Mat_VarGetNumberOfFields - Man Page

#include <matio.h>

unsigned
Mat_VarGetNumberOfFields(const matvar_t *matvar);

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

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)

Mat_VarGetStructFieldnames(3).