
plgfont: Get family, style and weight of the current font 

DESCRIPTION:

    This function is used in example 23. 

SYNOPSIS:

plgfont(p_family, p_style, p_weight)

ARGUMENTS:

    p_family (PLINT *, output) :    Pointer to variable with the current
    font family. The available values are given by the PL_FCI_*
    constants in plplot.h. Current options are PL_FCI_SANS,
    PL_FCI_SERIF, PL_FCI_MONO, PL_FCI_SCRIPT and PL_FCI_SYMBOL. If
    p_family is NULL then the font family is not returned. 

    p_style (PLINT *, output) :    Pointer to variable with the current
    font style. The available values are given by the PL_FCI_*
    constants in plplot.h. Current options are PL_FCI_UPRIGHT,
    PL_FCI_ITALIC  and PL_FCI_OBLIQUE. If p_style is NULL then the
    font style is not returned. 

    p_weight (PLINT *, output) :    Pointer to variable with the current
    font weight. The available values are given by the PL_FCI_*
    constants in plplot.h. Current options are PL_FCI_MEDIUM and
    PL_FCI_BOLD. If p_weight is NULL then the font weight is not
    returned. 
