
plsfont: Set family, style and weight of the current font 

DESCRIPTION:

    This function is used in example 23. 

SYNOPSIS:

plsfont(family, style, weight)

ARGUMENTS:

    family (PLINT, input) :    Font family to select for the current font.
    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. A negative value
    signifies that the font family should not be altered.  

    style (PLINT, input) :    Font style to select for the current font.
    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. A negative value signifies that the font style
    should not be altered.    

    weight (PLINT, input) :    Font weight to select for the current font.
    The available values are given by the PL_FCI_* constants in
    plplot.h. Current options are PL_FCI_MEDIUM and PL_FCI_BOLD. A
    negative value signifies that the font weight should not be
    altered.  
